calibration hole

基本解释校准孔

网络释义

1)calibration hole,校准孔2)leak calibration,漏孔校准3)calibration orifice;calibrated orifice,校准量孔4)calibration leak,校准漏孔5)calibrator-orifice,校准孔口6)vacuum leak calibration,真空漏孔校准

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