airtightness test
词语: airtightness test
解释: 气密试验
词典: 机械专业英汉词典
airtightness test 相关解释
气密试验 air proof test
气密试验 air tight test;gas tight test;pneumatic test;tightness test
气密试验 air tight test;tightness test
气密试验 air test;air tight test
气密试验 air test;airtight test
气密试验 〔名词〕airtightness test