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Anonymous users2024-01-23Because up to three strands of rope can be wound on the movable pulley, the minimum force is: 600 3 = 200N
The order in which the master of the worker decorates the kitchen. >>>More
The first answer: by default, it is calculated by the overall area, and there are two-sevenths left. >>>More
This pungent smell is the legendary formaldehyde, formaldehyde can not be completely emitted for three months, you have to continue to ventilate every day, because formaldehyde dissolves in water, you can also put a basin of water on this mat, which has a good effect on removing formaldehyde.
If it is a large furniture factory (or the kind of mass production) is to use a row of drilling rigs, there are 5 rows and three rows and other specifications, the more rows, the higher the work efficiency, the more expensive the price. If it is a small furniture factory, it is generally a manual electric drill, which has low efficiency and inconsistent specifications, but the purchase cost is very low.
Conventional computers, chairs, and desks all have ready-made modules that can be applied! >>>More