air tightness test and safety valve adjusting for main air receiver (control air receiver, air horn receiver)on board.
主空气瓶(控制空气瓶、汽笛空气瓶)装船后气密试验和安全阀的调整。
tightness test both the shell and tube sides of the exchanger to check that the flange gaskets are holding tight.
紧力测试对热交换器的管程与壳程,检查法兰垫圈是否紧密。
cleaning and tightness test should be done about correlation piping.
相关管路清洁完毕,并经过密性试验、验收结束。
air tightness test for auxiliary skin boiler (economize skin boiler) on blackboard.
辅锅炉(废气锅炉)装船后气密测验。
air tightness test for auxiliary boiler (economize boiler) on board.
辅锅炉(废气锅炉)装船后气密试验。
the rate of vacuum down obtained from vacuum tightness test is the important index in appraising the tightness of vacuum system.
汽轮机真空系统严密性试验得到的真空下降速度是评价真空系统严密性的重要指标。