更换冷却液罐的整个过程要进行3次太空行走，这是第2次。
This was the second of three spacewalks in the coolant tank replacement process.
酸液浓度和总铁含量应该在操作中每小时检查一次。
Acid strength and total iron shall be determined every hour during operation from outlets.
槽液测试是否每班测试一次以确保预清洁品质良好？
Is a water break test performed every shift to ensure quality of pre-clean?
固液分离法采用两次处理工艺流程。
The process flow of two-step treatment has been adopted for solid-liquid separation.
固液分离法采用两次处理工艺流程。
The process flow of two-step treatment has been adopted for solid-liquid separation.
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