Automatic sprinkler system - part 2 : wet system alarm valves retard chamber water motor alarm 自动喷水灭火系统第2部分:湿式报警阀延迟器水力警铃
3.
Semi - dry systems , or spray dryers , inject an aqueous sorbent slurry similar to a wet system , however , the slurry has a higher sorbent concentration 半干系统,或喷雾烘干机,喷射一种类似于湿式系统的含水吸着剂泥浆。
