澳门118开奖118186-澳门118开奖118186ccm-澳门118开奖www118186com-澳门118开奖网-澳门118开奖现场直播

Battery pack air tightness test

  With a filling pressure of 10kpa, the detection pressure is 3.5KPA, the pressure is maintained for 30 seconds, the detection is 45 seconds, and the leakage value is not more than 50PA/min.