Table shows total capacity provided with dual valve installations of various sizes.

表中所显示的是各种通径双阀门安装的总能力.

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A simple and effective reconstruction technology of the dual - valve filter was introduced.

介绍一种简便高效的双阀滤池改造技术.

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The membrane leakage problem is resolved by adopting a dual - valve mechanism during the membrane absorption process.

采用双阀机构解决膜吸收过程中膜渗漏问题.

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