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低温阀门壳体打压
请问低温阀门壳体打压，先常温打压壳体时，标准是要求 s.5倍的水压，请问可以用 0.1倍的气压替换吗？有没有标准提到允许替代。 老师傅说如果采用水压打壳壳体，然后再打低温的时候要将阀体吹干，好很久时间。
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