不锈钢波形膨胀节
Stainless steel bellows expansion joints
Stainless steel bellows expansion joints
Terminology of corrosion and protection for ship and marine engineering
Marine forged steel male thread stop-check valves
Marine navigational equipment-General requirements-Methods of testing and required test results
Marine autopilot with gyro compass
General specification for follow-up pilot of ship
Marine rate of turn indicators
Marine centrifugal fans
Marine axial flow fans
Shipbuilding and marine structures-Deck machinery Towing winches for deep sea use