depth screw gear 耕深调节螺杆
lead-screw gear 丝杆交换齿轮 ; 丝杠交换齿轮
screw gear axle 螺旋齿轴
screw gear pump 螺杆齿轮泵
screw steering gear 螺杆操舵装置 ; 螺旋操舵装置 ; 螺杆传动操舵装置
Screw gear cutter 螺旋齿刀具
camshaft screw gear 凸轮轴螺旋齿轮
screw down gear 压下机构
Remove one socket pin head screw, three socket head bolts and gear operator cover.
拆卸一个灯头钉头螺丝，三个套筒头螺栓和齿轮执行机构盖。
Driven screw is driven by synchronous gear by the active screw.
从动螺杆是通过同步齿轮由主动螺杆带动的。
Retention gear pump, motor and foot screws, screw the force should be uniform, reliable connection.
紧固齿轮泵、电动机的地脚螺钉时，螺钉受力应均匀，连接可靠。
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