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["硫酸储罐上的呼吸阀の原理と作用について質問です",,"硫酸储罐上的的呼吸阀の原理と作用について質問です 初めての方です",,"またタイピングです。。。どんなタンクでも、呼吸阀の役割は同じです。それは、外部� pressure

2011-12-31View Original

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Reply #22011-12-31
继续翻译剩余部分:
Reply #32012-02-14
又要打字了。。。 不管是什么罐,呼吸阀的作用都是一样 就是当外界压力大于罐内压力一定数值的时候,外界空气进入罐内。 就是当外界压力小于罐内压力一定数值的时候,罐内气体排入外界。 以保证罐内压强在一个安全的范围内。 原理:自己百度吧

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