电磁换向阀

solenoid directional valve的用法和样例：

例句

The open and close action of the covers are controlled by a solenoid directional vavle, while the speed is adjusted by the throttles.电磁换向阀的换向来实现密封盖的启闭，密封盖的启闭速度可由调节流阀进行调节。

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There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th

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aging sisht

bach-busoni

bacteriologic(al) filter

bolted type dead end clamp