Q:Where are the tolerances for jigs and surfaces?

General hole according to the 6.7 level accuracy, shaft according to the 5.6 level accuracy, position degree Phi 0.01, specific according to the fixture requirements and so on to decide.

Q:What color is the sunflower's disk?

It's brown. It's usually the case

Q:Why is that? What can be done to prevent this situation?

Insufficient pollination.Artificial pollination.

Q:What's good about making sunflower dishes and drinking tea?

Sunflower flower cup tea, with clear heat, flat liver, analgesic, hemostatic effect. It has a wide range of uses. Here are some of the major treatment options for diseases:Sunflower pan fried gray grinds end, take 5 grams, rice wine delivery service, 3 times a day, can treat functional uterine bleeding.With the bent stem of sunflower plate 1, chopped, decoction, take medicine when the tea, and even served a few days to be effective. Or 30-60 grams of fresh flowers, fried water. At the beginning of uterine bleeding jiyong.Pan fried water with brown sugar drink, can treat dysmenorrhea......This seemingly insignificant thing has such a great benefit, so don't throw away these plates in the coming harvest season, and make it waste to the treasure.

Q:The soil at home is very hard. What can you do to make it soft?

The soil is too hard because of the decrease of organic matter content, the decrease of nutrient elements, the destruction of soil structure, and the compaction of soil.The solution is to change the soil for the whole tub, and mix the raw soil with the organic fertilizer 3 to 1. If you worry about the damage to the flowers, you can also loosen the soil and add some organic fertilizer. No organic fertilizer can be fermented with broken leaves or sawdust.Longevity flower is tolerant of drought and is not strict with soil. It is good for fertile sandy loam. Generally in spring every year after the flower thank, change basin 1 times, basin soil to choose 4 rotten leaf soil, garden soil 4 parts, 2 pieces of river sand, plus a small amount of mixed preparation and become good. Long life flowers are short day plants, which are sensitive to photoperiod. Plants with good growth were given short sunshine (8~9 hours per day) for 3~4 weeks and flowering buds appeared

Q:I bought the Merida men less than half a year, the axis had problems, but it is now fixed, disk sloshing around, how tight? Or is it bad?My car is bought in a Merida dealer, the boss feels too crafty, or axis I and several riders come together in the name of the local club only reluctantly free for good, now the disk is loose, he said is bad, want to change a, I do not want to believe this profiteers, please experienced friend to help give an advice, (additional commitment, after all, than to spend money value)

This is not to say, some are caused by the central axis bending, and there is the central axis of the bead block problems ~ ~ (the whole will not), another is the teeth of the square hole wear and compression screws loose caused by ~ ~ ~!This is the best known shaking tooth disc, if the overall (including the left foot shaking together.) the central axis of the problem is, if only the tooth disc Akira is tooth disk, check the pressure screw in the middle of the tooth disc. If the compression screw is tight, the disc is broken, the general disc damage is unlikely, unless it is caused by external impact.After making a suggestion, it is better to do some minor repairs on my own. Except for all circles, the front fork, the overhaul, the general maintenance is done by myself.

Q:Short, and feel the body can not bear the weight of the disc like askew, leaves are still yellow, is not to chemical fertilizer?It's not planted in the pot. There's a small plot in my yard. But the soil is not so good. It's a deep layer of soil bought from the construction site. It's yellow and sticky. Can I apply some fertilizer?

It could be a wild variety

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

24 speed is, the first 3, after 8, in accordance with the permutation combination called "24 speed", that is to say, the maximum is 8.

Q:Besides, what are the characteristics of plants?.

BrightnessThe rest are: correlation, geotropism, to water, to support, to touch, to the resistance etc.. If you want to study, you can also see this:Sunflower, the disk will turn toward the sun;Mimosa leaves, wind or animal touch, that will fold and droop;Hibiscus flowers, color day three, morning, noon, evening;Having Nepenthes, deformation of the blade like cage, the upper end of the small cover, usually a cage mouth has sweet secretions, attract insects, when they went to the cage, which will slide into the cage, then covered with small cover. The cage contains digestive juices, which digest and absorb worms. The small cap opens again and waits for new food;The leaves of the acacia tree are pinnately compound, and they are stretched horizontally at night and folded up at night;The growth in South America involvens drought environment, they pull out the roots, body curled, wind rolling, rolling to the wet place once, to take root growth immediately continue to expand. The drought will also repeat the stock tricks again;The tip air plant meat, will grow seedlings, such as seedling growth to a certain extent (independent life), self seedlings or knocked down, falling at the root in soil

Q:Is the sunflower disk a inflorescence?

It doesn't seem to be