transportation and distribution piping system 输配水管道系统
deluge distribution piping 喷淋管线
gas-distribution piping system 配气管网系统
Distribution Piping System and Nozzle 分配管系和喷嘴
water supply piping distribution system 给水配水系统
piping-distribution system 管式配水系统
piping distribution system 管式配水系统
When the deluge valve installed on the offshore oil and gas production facility fire water system is suddenly closed, the deluge distribution piping will generate water hammer effect.
海上油气生产设施消防喷淋管线，在喷淋阀突然关闭时会产生水锤效应。
The nozzle and distribution piping system shall be uniformly installed in the protection area to guarantee the HFC-227ea agent can spray to the protection area uniformly within the fixed time.
保护区内均匀的设置若干七氟丙烷喷嘴和分配管系，确保七氟丙烷灭火剂在规定的时间内均匀的喷向保护区。
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