Teamwork is the key to the Marine corps machine-gun squad!
陆战队机枪兵最重要的是团队合作！
2
Cracks in Marine main engine or auxiliary engine body may lead to scrap of the machine or serious accident, which is a badly hidden trouble for safety of a vessel.
船舶主辅机机体裂纹的延伸会导致机器报废或发生严重机损事故，这对船舶安全营运是一大隐患。
3
Marine gear transmission device, including the main thruster, centrifuge, deck machinery such as winch, sailed machine, crane, rotating device, pump, elevators and rudder ", etc."