[作業(yè) 運(yùn)輸] 往復(fù)式活塞傳動(dòng)機(jī)構(gòu) [機(jī)械工程 照明 加熱] 互惠火塞驅(qū)動(dòng); 往復(fù)式活塞驅(qū)動(dòng) piston reciprocating mud pump: 活塞往復(fù)式泥漿泵piston reciprocating rock drill: 活塞往復(fù)式鑿巖機(jī)piston-reciprocating rock drill: 活塞往復(fù)式鑿巖機(jī)reciprocating piston cooling pipe: 活塞冷卻伸縮套管reciprocating piston engine: 活塞式發(fā)動(dòng)機(jī)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯