pumice cone

用法例句

These problems include: design of double service positioned fixture,design of floating screw driver device,solving scheme of "screw driver end chamfering" phenomena,improvement design of "impact effect of swinging cylinder" and solving scheme for mistaken-action of swinging cylinder.

这些问题包括:双工位夹具设计、浮动改锥装置设计、"锥头划窝"现象的解决方案、"摆动缸冲击效应"改进设计、摆动缸的误动作解决方案。

The conical floating ring bearing was designed and manufactured on the base of theoretical analysis and finite element calculation of this new structure bearing.

在圆锥浮环动静压轴承理论计算和分析的基础上 ,设计制造了该轴承试件 ,确定了相关的实验方案和实验装置。