... 蝶阀气密性关闭 Bubble Tight Shut-Off 空气密性 air tightness 气密性好 Good air-tightness ...
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空气箱密性试验 tightness test of air box
空气瓶密性 The tightness of air bottle
日用空气瓶密性试验 The gas tightness test of service air reservoir
副空气瓶密性试验 The gas tightness test of aux. air reservoir
主空气瓶密性提交 Gas tightness submission of main air reservoir
控制空气瓶密性试验 Gas tightness test of control air reservoir
高压空气管密性提交 The tightness test for high-pressure air pipes
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