Air tightness test for t.
液舱气密性试验。
test of the gas tightness.
气密性测试
The tightness test of hull valve.
舷旁阀密性提交。
The tightness test of main boiler.
主锅炉密性试验。
The tightness test of foredraft valve.
艏吃水阀密性试验。
Air pressure test for strength and tightness
气压强度及气密试验
To test for tightness of second check Valve.
检测第二止回阀得密封性。
Gas tightness test of control air reservoir.
控制空气瓶密性试验。
The gas tightness test of aux. Air reservoir.
副空气瓶密性试验。
The gas tightness test of service air reservoir.
日用空气瓶密性试验。
Air tightness test for auxiliary boiler on board.
辅锅炉装船后气密试验。
The tightness test of inlet valve for emergency fire pump.
应急消防泵进水阀密性试验。
Improvement of Leak Tightness Test of Cylinder and Piston Rubber Ring Assembly
气缸与活塞橡胶圈总成气密性改进
The test on tightness of large caliber and long distance pipes for central heating
集中供热大管径长距离管道严密性试验
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