fire-sprinkling systemsprinker systemsprinkler systemwater fire extinguishing systemwater spray fire extinguishing systemwater-jet quench system喷水: dabble; water spray; water j ...灭火系统: fire extinguisher system闭环喷水灭火系统: closed-loosprinkler system仓库喷水灭火系统: warehouse sprinkler system防冻喷水灭火系统: antifreeze sprinkler system下载手机词典可随时随地查词查翻译