價格：免費
更新日期：2020-08-01
檔案大小：2.8 MB
目前版本：1.0.3
版本需求：系統需求：iOS 11.1 或以後版本。相容裝置：iPhone、iPad、iPod touch。
A valve registration record APP.
The valve is a pipe accessory used to open and close the pipeline, control the flow direction, adjust and control the parameters (temperature, pressure and flow) of the transport medium. According to its function, it can be divided into shut-off valve, check valve, regulating valve and so on.
