高气密性铝合金铸件
High gas-tight aluminum castings
汽机阀门严密性试验
valve leak test of steam turbine
燃油油密性试验
fuel oil test for tightness
室内土工试验砂的相对密实度试验
sand relative density test
室内土工试验压密排水三轴压缩试验
consolidated drained triaxial compressure test
水密封试验装置
water-sealed testing device
提升器油缸液压油密封性试验
lift cylinder oil leakage test
荧光密螺旋体抗体吸收试验
FTA-ABS fluorescent treponemal antibody absorption
油压密封试验
oil pressure test for tightness
真空系统严密性试验
vacuum system tightness test
真空严密性试验
vacuum leakage test
air tightness test of a vacuum system
vacuum system tightness test
vacuum tightness experiment
蒸汽密封性试验
steam test for leak tighthess