Selection of sealing liquid for the purpose to protect the reliability and security of the diaphragmmeter in use, applicable sealing liquid for specific use shall be selected appropriately.
密封液的选择为保证隔膜表使用可靠性和安全性,应根据不同用途选择合适的密封液。
2
Introduces the principle and features of the ultrasonic welding of the thermoplastic staking technology in the course of gas meterdiaphragm assembling.