Yeomans Series 9235 dry-pit submersible pumps provide rugged solids-handling pump construction and a quality, low maintenance, patented closed-loop cooling system .

约曼9235系列干井潜水泵是固体颗粒污水处理泵，其结构坚固耐用，质量优异，维护成本低，并配置专利技术的闭环冷却系统。

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Closed loop soft water cooling system, 3rd generation new type cooling stave and thinner-synthetic lining have been used in bosh, belly and lower stack.

在炉腹、炉腰和护身下部区域，采用了软水密闭循环冷却系统、第3代新型冷却壁和组合薄炉衬技术。

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The evaporated cooling system with soft water closed loop system was switched over successfully in the normal production condition of the BF.

并在高炉正常生产状态下，成功实施了汽化冷却与软水密闭循环系统的安全切换。

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