internal valve meaning in English
内阀
Examples
- Periodically service and clear dirt on screen and internal valve , assuring nominal working
要定期清除过滤网前和阀内的污物，保证疏水阀正常工作。 - The injector button head must be unscrewed one half turn to open the internal valve before injecting grease
在注入润滑油之前，注入器圆头螺栓必须拧松半圈，打开阀门内部部件通道。 - Pacific valves ' unique injector has a double ball check protection against leakage and a positive shut - off internal valve
美国太平洋阀门独特的注入器具有双球止回保护，防止泄露，并保护阀门内部活动部件。