Feed valve is float-operated and simply constructed. Can be easily cleaned if fouled by dirt in the water supply.
进水阀是靠浮子工作的，结构简单。如果被供水污垢淤塞，则能够很容易的进行清洗。
The body prevents the seats from being pulled up and down as the valve is operated.
因此阀体就可阻止阀座在阀门工作时被上下推动。
He continues a long-standing artistic tradition of imagining the end of civilization, a form of emotional and spiritual escape valve operated since man found a means to express himself.
他长期以来保持着对文明终结的艺术性想象，这是一种情感和精神的宣泄形式，并以此表达自我。
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