基本解釋[動力與電氣工程]階式螺栓英漢例句雙語例句The utility model is composed of a front shaft, a rear shaft, a shaft sleeve, a shoulder fitted with a bottom sleeve, a connecting bolt, a connecting nut, etc.由前軸，后軸，軸套，與底套配合的臺肩，連接螺栓，連接螺母等構成。ip.comwith shoulder bolt更多例句專業(yè)釋義動力與電氣工程階式螺栓