挺好的测试，此METER需要CALIBRATE 吗，SENSITIVITY 如何。不知道矿泉水结果会如何。 你家水质不错地。

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

Copyright ©1998-2024 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy