The fluctuation archives of vitreous sliding door child go up, each have two parallel chute, go up archives chute is a bit some deeper, it is commonly 8, 10 millimeter.
玻璃拉门的上下档子上，各有两条平行的滑槽，上档滑槽稍深些，一般为8—10毫米。
2
If the screw speed of parallel pressure stabilization apparatus is varied corresponding to the pressure fluctuation, the pressure and output fluctuation of extrusion can be fully compensated.
若调节稳压螺杆的转速，则可完全补偿主螺杆压力和产率的波动。
3
Two parallel permanent fluctuating belt will be formed along the two Banks of the reservoir because of the natural fluctuation of water level after the finish of the Three Gorges Dam.