quick closedown
英
美
网络 快速关闭
双语例句
- The valve petal uses the spring to load, its quick closedown can effective reduce the hammer pressure, the sealing property is good, the closure does not have the noise.
阀瓣采用弹簧加载，其快速关闭能有效的减小水锤压力，密封性能好，关闭无噪声。