body working performance的意思|示意

Exchange the sealing ring of the valve body according to the working condition of rubber sealing ring in order to ensure the sealing performance.

按橡胶密封圈使用性能，根据具体情况定期对阀体的密封圈进行更换，以保证阀门的密封性能。

Full visual glass, stainless steel body and special device to prevent heating elements working without water. Reliable performance, fast heating, good warm-keeping effect.

四面采用中空玻璃，不锈钢柜身，具有缺水保护装置，严防电热管干烧，性能可靠，升温速度快，保温效果好。