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。
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。
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.
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