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通风管的测定孔

网址:www.juanrenli.com.cn  2022-08-03  作者:admin    阅读:

通风管的测定孔、洗消取样管应与管同时制作。测定孔和洗消取样管应封堵。
5. The measuring hole of the ventilation pipe and the decontamination sampling pipe shall be made at the same time as the pipe. The measuring hole and the decontamination sampling pipe should be blocked.
6、通风管内气流方向、阀门启闭方向及开启度,应标示清晰、准确。
6. The air flow direction, valve opening and closing direction and opening degree in the ventilation pipe shall be clearly and accurately marked.

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