... 气密性试验 air impermeability test; air pressure test for tightness; air test; air tight test; airtight test; airtightness test; gas impermeability test; gas leakage test; gas-tight test; gas-tightness test; tightness test 汽密性试验 steam tight test; steam-tight test 水密性试验 watertight test; watertighttest ...
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