短語詞組短語diesel engine piston ring 柴油機(jī)活塞環(huán)diesel engine s piston 柴油機(jī)活塞diesel rotary piston engine 柴油轉(zhuǎn)子發(fā)動機(jī)diesel engine ' s piston 柴油機(jī)活塞rotary piston diesel engine 旋轉(zhuǎn)活塞柴油機(jī)opposed piston diesel engine 對動活塞柴油機(jī);對沖活塞柴油機(jī)hydraulic free piston diesel engine 液壓自由活塞柴油機(jī)fydraulic free piston diesel engine 液壓自由活塞柴油機(jī) 返回 diesel engine piston