oil tight test
油压密封试验 oil pressure test for tightness
油密试验油压密封试验 oil pressure test for tightness
喷油嘴径部密封试验台 PJMS
·2,447,543篇论文数据，部分数据来源于NoteExpress
低压密封试验4.4.1进行低压密封试验时，低温阀门密封面应保持干净，无油、无油脂和密封脂，如需防止擦伤。
Low pressure seal test 4.4.1 for low pressure seal test, the sealing surface should be kept clean, no oil, no grease and seal fat, for to prevent scratches.
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