常見例句雙語例句The invention uses general petrol engine, to work carrier on water and underwater, to condition the air, with long service life and high safety.該系統(tǒng)工作壽命長，性能可靠，安全性、隱身性指標高，運轉(zhuǎn)經(jīng)濟，操作簡便，有顯著的經(jīng)濟傚益和社會傚益。hgpf114.com 返回 petrol carrier