... water pressure test for tightness 水密试验 oil pressure test for tightness 油压密封试验 ; 油密试验 ; 油密试验油压密封试验 air pressure test for tightness 气密性试验 ...
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oil pressure test for tightness 油密试验油压密封试验 oil pressure test for tightness 油压密封试验 oil pressure test for strength油压强度试验 ..
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... bulge test打压试验, 扩管试验 oil pressure test for tightness油密试验油压密封试验 testing with Seleroscope用塞勒硬度试验器试验 ...
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