短語詞組短語opposed -piston type diesel engine 對活塞式柴油機(jī)opposed piston type engine 對置活塞發(fā)動機(jī);對置活塞式發(fā)動機(jī)opposed piston diesel engine 對動活塞柴油機(jī);對沖活塞柴油機(jī) 返回 opposed piston engine