... 盘状阀 plate ale; plate valve 片状阀 crack valve; flap valve; plate valve 舌状阀 cantilever valve ...
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Crack resistant valve can prevent the oil pipe rupture resulting in table control falling accident.
防裂阀可防止油管破裂导致工作台失控下降的事故。
It was very difficult for high cr cast Fe hollow ball valve in investment casting due to its internal hollow and full close as well as high crack susceptibility.
高铬铸铁空心球阀的精密铸造难度较大，球阀内部必须空心、全封闭，同时高铬铸铁的裂纹敏感性极强。
Manned by the lifting table are equipped with railings and crack resistant valve.
载人用的升降台都设有栏杆和防裂阀。
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