The existing problems and shortages of original PVC water units by calcium carbide method were analysed.

分析了聚氯乙烯厂电石法生产PVC原有水洗装置存在的问题与不足。

youdao

With the use of frozen water units, modular units and natural cooling system for HIMOD flagship series will have the obvious effect for the energy saving.

HIMOD系列旗舰型的冷冻水机组HIMOD系列旗舰型模块化机组与自然冷却系统配合使用，会有显著的节能效果。

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Daiichi's No. 1 reactor — the oldest of six boiling-water units at the site, according to the nuclear association — began commercial operation in March 1971.

Daiichi的一号反应堆——根据核子协会，6个沸水反应堆中最老的反应堆——自1971年3月开始商业运行。

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At the same time, General Allyn says the military units must continue to transport food, water and other critical items that are needed immediately.

VOA: standard.2010.01.19

Water rescue units were on standby in low-lying areas prone to flooding, just in case, he said.

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Partnering with Stop Hunger Now and Wine to Water, participants packaged 100K meals and built 100 water filtration units.

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So we contacted the swift water rescue units and they went out there.

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