短語詞組短語bottom dead -centre 外死點(diǎn)inner dead -centre [動(dòng)力][機(jī)][車輛]內(nèi)死點(diǎn)dead -centre lathe 死頂尖車牀outer dead -centre position 外死點(diǎn)位置top dead -centre indicator 上止點(diǎn)標(biāo)記back dead centre 死頂尖UDC upper dead centre 上死點(diǎn)crank dead centre 曲柄下止點(diǎn) 返回 dead centre