名词
中文翻译：内部止回阀
同义词：
['internal relief valve', 'internal shut-off valve']
例句：
-
1. Theinternal check valve prevents the flow of gas from one side to the other during operation.
内部止回阀在操作过程中防止气体从一个方向流向另一个方向。
-
2.The internal check valve is essential for maintaining proper temperature control in the engine.
内部止回阀对于保持发动机内温度控制至关重要。
-
3.During maintenance, the technician must ensure that the internal check valve is properly seated and functioning correctly.
在维护过程中，技术人员必须确保内部止回阀正确安装并正常工作。