check valve

check valve的音标为[tʃek vɑːl]，基本翻译为“止回阀；检验阀”，速记技巧为：用“ch”代替“阀”字右边的“人”字即可。

Check valve的英文词源：

check：来自古英语checan，意为“检查，核对”。

valve：来自拉丁语valva，意为“门，阀”。

变化形式：复数形式为valves。

相关单词：

1. 打开/关闭 valve（阀）：valve用作动词时表示打开或关闭阀门。

2. 调节 valve（阀）：valve用作名词时，可以表示调节流量的阀门。

3. 压力 valve：pressure valve可以表示压力调节阀，用于控制流体压力。

4. 安全 valve：safety valve可以表示安全阀，用于在设备或系统超压时自动排放压力。

5. 截止 valve：stop valve可以表示截止阀，用于阻止流体通过管道。

6. 节流 valve：throttling valve可以表示节流阀，用于控制流体流速。

7. 流量 valve：flow valve可以表示流量调节阀，用于控制流体流量。

8. 自动 valve：automatic valve可以表示自动阀门，能够根据特定条件自动开启或关闭。

9. 手动 valve：manual valve可以表示手动阀门，需要人工操作才能开启或关闭。

10. 电磁 valve：electromagnetic valve可以表示电磁阀，利用电磁力驱动阀门开启或关闭。

Check valve:

常用短语：

1. check valve installation

2. check valve maintenance

3. check valve replacement

4. check valve function test

5. check valve leak detection

6. check valve adjustment

7. check valve inspection

例句：

1. Check valve installation is crucial for ensuring the smooth flow of fluid in a system.

2. Regular maintenance of check valves is necessary to avoid unexpected malfunctions.

3. Replacement of check valves should be done when they show signs of wear and tear.

4. Function testing of check valves is essential to ensure their proper operation.

5. Leak detection in check valves should be carried out regularly to avoid potential problems.

6. Adjusting check valves ensures precise control of fluid flow in a system.

7. Inspection of check valves is necessary to maintain their efficiency and longevity.

英文小作文：

Check valves are essential components in many systems, ensuring the smooth flow of fluids. Their importance cannot be overstated, as they prevent backflow and ensure that the system operates efficiently and effectively. However, regular maintenance and inspection are necessary to maintain their efficiency and longevity.

Check valves should be installed and maintained by professionals who understand their function and how to troubleshoot any potential issues. Regular maintenance includes inspection, adjustment, and replacement of parts that may become worn or damaged over time. This ensures that the valve remains functional and effective, preventing any potential problems that could affect the entire system.

In addition, it is important to understand that check valves are designed to allow fluid to flow in one direction only, preventing backflow or reverse flow of the fluid. This ensures that the system operates in the desired manner and prevents any potential issues that could arise due to improper operation of the valve. Therefore, it is essential to maintain check valves properly to ensure their long-term efficiency and effectiveness in a system.