词语梯形螺纹
解释trapezoidal thread
trapezoidal thread〔名词〕梯形螺纹详细»
trapezoidal thread梯形螺纹详细»
梯形螺纹acme thread;trapezoidal thread详细»
梯形螺纹acme thread详细»
梯形螺纹ac thr;acme;acme thread详细»