water check valve的意思|示意
水止回阀
water check valve的网络常见释义
止水回阀 ... 铸铁止水阀: cast iron stop cock 止水回阀: water check valve 洗涤水止逆阀: check valve for washing water ...
water check valve相关短语
1、 hot-water check valve 热水止回阀
2、 feed-water check valve 给水止回阀
3、 water seal check valve 水封逆止阀