常见例句双语例句The invention uses general petrol engine, to work carrier on water and underwater, to condition the air, with long service life and high safety.该系统工作寿命长，性能可靠，安全性、隐身性指标高，运转经济，操作简便，有显著的经济效益和社会效益。hgpf114.com 返回 petrol carrier