liquate

To protect the security and stable of film meter, should select some kinds right airproof liquate.

为保证隔膜使用可靠性和安全性，应根据不同用合适密封液。

For the meter which has liquate inner, can work in strong vibration or pressure pulse situation.

对于在外壳内充液仪，能够抗工作环境振动较强和减少介质脉动影响。