Galvanized Mild Steel Drive Screw 镀锌螺丝钉
rod drive screw 棒驱动螺杆
hammer-drive screw [机] 锤入式螺钉
screw drive 螺杆传动 ; 丝杆传动
surface drive screw pump well 地面驱动螺杆泵井
double-strike electric drive screw presses 双击式电动螺旋压力机
ground drive screw pump 地面驱动螺杆泵
surface drive screw pump 地面驱动螺杆泵
electric drive screw press 电动螺旋压力机
The lens has no internal AF motor and relies on a slotted drive screw operated by the camera.
该镜头没有内部马达，需要依靠机身的对焦马达驱动。
A double-strike direct electric drive screw press is a new machine used in particle and dispersed material forming.
双击式直接电动螺旋压力机是用于颗粒材料及离散材料成形的新型机器。
High torque and excellent performance of hydraulic motor can drive screw directly and shorten plasticizing time so that saves energy.
采用高扭力、效率佳之油压马达，直接驱动螺杆，可缩短塑化时间节省能源。
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