Keystone Geogrid

Hot Products

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FAQ

Where are the tolerances for jigs and surfaces?

Precision machining precision fixture usually needs to be higher than that of machined parts for vehicles, drilling, milling, machining center fixture on the coaxality, verticality and parallelism, position accuracy, flatness, straightness tolerances, or higher requirements, these tolerances must be combined with requirements of machining parts drawing technology also need to check form and position tolerances, meet the machining accuracy requirements that meet the quality requirements for the purpose of processing at the same time, pay attention to the processing cost, because of the higher accuracy, processing costs increase relatively, so in the design, according to the actual circumstances!Note: 1) the value of the shape tolerance usually given on the same element should be less than the location tolerance;2) when the actual elements comply with the inclusion principle, the shape tolerance should be less than the size tolerance, and the ratio is about 25%-63%.In short, in order to scientifically and reasonably label the geometric tolerance, it is necessary to systematically study the book of tolerance, coordination and technical measurement!The above point of view is for reference only, and the specific form and tolerance requirements should be determined according to the actual situation!

Action of disc when turningYes, let me explain

The four jaw chuck is the faceplate. It is mainly used with iron, weight and other auxiliary tools to process some complex shaped pieces.

My family only raised a sunflower, and there was no planting around it. Now the disk is big. How can we finish the pollination? Can pollination bear fruit?

Sunflower is a crop of cross pollination, self pollination rate is extremely low, artificial pollination can improve the seed setting rate, yield increased significantly.(1) the time of pollination in sunflower in the blooming stage (full field 70% 2~3 days after flowering), first artificial pollination, 1 times every 3 days after pollination, pollination is the best pollination time was 2~3 times, after the morning dew fell down to the end of 11. If the morning is not over, you can do it later than 15.(2) there are two kinds of artificial pollination methods. A puff of pollination. With one hand holding the sunflower disc neck, with the other hand puff (pollination tool made of soft cloth and cotton) positive touch disk, the sticky pollen grains in the puff, contact do not force too much, so as not to damage the stigma. Then use the same method to puff lightly touching another disk, in order to wipe down. Because the sunflower flowering is from the outside to the inside, to make fresh pollen pollination in the flowering flowers, the more number of such pollination, the pollen grains of mixed sticky puff more, choose more opportunities for pollination, pollination effect is better. The two is disc contact pollination, that is, in the adjacent two rows, during the flowering period, the disc is pressed against each other by hand by hand, which acts as a pollination. Use this method to make it light, so as not to strain and break the disc neck.

Can you direct the deer flour directly with boiling water? Still have to boil to drink?

Hello, barley with dampness, jianpizhixie, detoxification of reactive power, modern pharmacological research showed that barley has anti-cancer effect, the role of beauty.Guidance opinion:Barley may eat porridge, once cooked barley porridge can not eat for three days, the time for a long time will deteriorate, but also by the loss of nutrients. Should be boiled every day.

24 speed mountain car rear wheel disk is the maximum number of stalls?

A few stalls depends on the one you are hanging in front of! In front of the most small bowl, the back is the first line

Urn breeze sunflower dish powder said can gout cure root, really?

Tea urn breeze is a rip off completely, please don't be patient.

What does it symbolize?

Chlorophytum but could not confirm that ChlorophytumBecause of Chlorophytum in the vigorous growth period every day to 1 ~ 2 times sprayingYou should be right

Is the sunflower disk a inflorescence?

Should be。 Sunflowers should belong to the head in an indeterminate inflorescence.Here the first step is to define clear inflorescence flowers regularly in the peduncle the arrangement is called. Change the shape of inflorescence is complicated, the length of the spindle, branched or unbranched, each flower has no stem, the flowers open order, and other special factors etc.. Inflorescences are mainly grouped into 2 major groups: indeterminate inflorescence and finite inflorescence.Indeterminate inflorescence: characterized by the main axis of the inflorescence, which can continue to grow during anthesis and elongate upwards, producing bracts and flower buds, which are like single axis branches, so also called a single axis inflorescence. The flower opening sequence is rachides at the base of the flower blooms first, and then to the top in order to promote the orderly opening, if the rachis shortened, the flowers crowded into a plane or a sphere, the flowering order is the first starting from the edge to the middle, in turn open. The infinite inflorescence is divided into:Raceme: the inflorescence of wisteria, mustard, or rapeSpikes: grasses, sedge, etcThe inflorescence of a willowCorymb: hawthorn, pear, apple, cherry and so onCapitulum: chrysanthemum, dandelion, sunflower and so on.Fig syconium of Ficus pumila, etc.Spike: corn.Inflorescence cymose: also known as finite class features and indefinite inflorescence inflorescence, on the contrary, the top or the axis center of the flower to open, the main growth is restricted, the lateral axis can continue to grow, the lateral axis is the top first open flower, flowering order is from top to bottom or from the inside out. Classifications of finite inflorescences: single branched umbel, two branched umbel, many branched umbel. Here is no longer introduced.