垂直方向往复运动

An industrial sewing machine for the completion of a button hole comprises a needle holder that is connected via an arm to means which ensure a forward and backward motion perpendicular to the direction of the needle.

一种用于缝制钮扣眼（1）的工业缝纫机包括一个通过一臂（21）与一装置相连接的缝纫针夹持器（20），该装置确保缝纫针夹持器沿着垂直于缝纫针运动方向的方向往复运动。

The shaper tool straight line advance and return movement is host motion when plane chop, that workpiece moves in the perpendicularity and host direction of motion intermittence is to feed motion.

刨削时，刨刀的直线往复运动是主运动，工件在垂直与主运动方向的间歇移动是进给运动。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。