pivot bridge,swing bridge,turn bridge

基本解释旋开桥

网络释义

1)pivot bridge,swing bridge,turn bridge,旋开桥2)twist-off cap,旋开盖3)swing bridge,平旋开启4)helix ditching machine,螺旋开沟机

用法和例句

A discussion on the critical speed of the upright cylinder helix ditching machine of the variable pitch;

立轴柱形变螺距螺旋开沟机临界转速分析

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