feed-water chemical sampling system
... feed-water and condensate plant 给水和凝结水设备 feed-water chemical sampling system 给水取样系统 feed-water chemistry 供水化学 ...
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除了连续排污服务，高压降汉考克阀门也用在给水旁路救济，取样系统，排水渠及其他服务的地方水土流失极为严重。
In addition to continuous blowdown service, the Hancock high pressure drop valve is also used on feedwater bypass relief, sampling systems, drains and other services where erosion is extremely severe.
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