释 义 7 " 减压表" (Decompression table) 指载有深度与时间关系的图 表，提供在特定深度和时间潜水作业后所必须采用的上升速度和 呼吸用混合气等资料。
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适用于检测压力真空断路阀，减压防回流阀或双止回阀总成，不再需要压力表和压差表。
Designed to test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies, allowing you to eliminate both pressure and differential test gauges.
包括信号输出压力表和减压阀。
It includes signal output gauge and pressure reducing valve.
其上装有压力表、减压器和流量表。
It is equipped with manometer, pressure reducer and flow indicator.
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