valve no meaning in Chinese
阀门号
Examples
- Purpose : to test check valve no . 2 for tightness against reverse flow
目的：检测止回阀2号对于回流的紧密度。 - Remove bypass hose from test cock no . 1 , open shutoff valve no . 1
从测试旋塞1号上拆卸旁路软管，开启1号关闭阀。 - Close valve no . 3 & no . 4
把三号和四号阀门关上！ - Purpose : to test check valve no . 2 for tightness against reverse flow
目的：检测止回阀2号对于回流是否紧密密封。 - Open valve no . 1 & no . 2
一号、二号阀门，开阀！