internal check valve
英 [ɪnˈtɜːnl tʃek vælv]
美 [ɪnˈtɜːrnl tʃek vælv]
网络 油罐
双语例句
- Test ports shall have internal check valve and be equipped with caps.
测试端口应该内置止回阀并配置阀盖。 - The utility model relates to a set of water supply facilities which is provided with a fault feedback device for the internal drainage of a check valve.
本实用新型涉及一种加装止回阀内泄故障反馈装置的成套给水设备。