Waste draining pipe, offlet or drain pipe should be connected to the main pipe;each pipe should connect two valves with the most possible short valve-to-valve pipe length.
排污
、放
或疏
分别连接到各
的总上，每均串接两个阀门，两阀门
的段尽量缩短。
Waste draining pipe, offlet or drain pipe should be connected to the main pipe;each pipe should connect two valves with the most possible short valve-to-valve pipe length.
排污、放或疏分别连接到各的总上，每均串接两个阀门，两阀门的段尽量缩短。
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生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
