We leave through the steel doors and head up the ten-story elevator, past the retinal scanner, and through glass Chambers with sliding doors that seem like air locks on a spaceship.
Grinding head on, sliding imports of dual-use system linear guide, two-ball screw drive, to achieve the smooth running speed to eliminate mobile space (displacement).
磨头座、滑动系统采用进口的双直线导轨、双滚珠丝杆传动，以达到运行速度平稳、消除移动间隙(位移)。
3
Are generally installed in the boom when the hook head, sliding to the limit position, then hold the lever.