In-line devices include all items necessary to complete the process piping system for pressure testing.
管线内装置包括通过工艺管道系统压力测试所需的所有项目。
Analyses and compares water standard, water treatment process, water supply piping line, system, pipe materials and other problems in the piping drinking water system.
本文对管道直饮水系统中用水标准、水处理工艺、供水管网、管材选用等问题进行了分析比较。
It features an in-line maintenance design that offers serviceability of all operating parts without disturbing the piping system.
联线维修设计，在不影响管系统工作的情况下，就可对所有操作部件进行检修。
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