isolating valve
常见例句
- All pressure instruments shall have a primary block valve isolating it from the vessel or pipe.
所有壓力儀表應安裝一個主截止閥，以便與容器或琯道隔離。 - The utility model is provided with separate isolating valve, aeration valve, vacuum valve and thief rod mating the sampling cavity to keep the air in the furnace cavity and realize on-line sampling.
本實用新型設置了 獨立的隔離、充氣、真空閥門以及與取樣腔配套的取樣杆，使取樣過程中的爐腔內氣氛不變， 達到在線取樣的目的。
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