常見例句雙語例句Provide Marine Engine Parts, such as Plunger & Barrel, Nozzle, Delivery Valve, Bearing, Sealing Bush, Exhaust Valve, Inlet Valve, Valve Seat, etc.提供各式船用柴油引擎零件，如柱塞、噴油嘴、輸油閥、軸承、軸封、出氣閥、進(jìn)氣閥等零件。 返回 exhaust nozzle seat