sprinkler test valve

sprinkler test valve

喷水灭火系统测试阀

sprinkler stop valve

喷水灭火系统截止阀

sprinkler section valve

喷水灭火系统分段阀

sprinkler alarm valve clapper

喷水灭火系统报警阀阀瓣

sprinkler alarm valve retard chamber

喷水灭火系统报警阀延迟室

extra-large orifice sprinkler system

特大喷口喷水灭火系统

sprinkler system supervisory system

喷水灭火系统监控系统

sprinkler water accelerator

喷水灭火系统水加速器

sprinkler drain valve

喷水灭火装置排水阀

package-type sprinkler system

组件式喷水灭火系统

unsprinklered area

无喷水灭火系统的地区

preaction sprinkler system

预作用喷水灭火系统

standard spray sprinkler system

标准自动喷水灭火系统

flush-type sprinkler system

平齐型喷水灭火系统

self-contained sprinkler system

自给式喷水灭火系统

recessed sprinkler syste

半隐蔽型喷水灭火系统

cycling sprinkler

重复启闭喷水灭火系统

quick opening sprinkler system device

快开喷水灭火系统装置