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The design parameters of anodic protection coolers and the reason why to choose a prepump process are presented.

介绍阳极保护浓硫酸却的设计参数,选用泵前流程的,却水路的设计方案。

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ZJ type Roots vacuum pump can't discharge gases directly into the air,it should be equipped with a cowesponding prepump at operation.

ZJ型罗茨真空泵不能直排大气，运行时需配备相应前级泵。

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