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sprinkler alarm valve retard chamber
meaning in English
喷水灭火系统报警阀延迟室
Related Words
retarded development
sprinkler horn
sprinkler box
motor sprinkler
deluge sprinkler
traveling sprinkler
automatic sprinkler
sprinkler flush
sprinkler car
sprinkler demand
sprinkler alarm valve
sprinkler alarm valve clapper
sprinkler alarm valve water motor alarm
sprinkler and sprinkling machine
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