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喷水灭火系统
nautic., tech. sprinkler fire-extinguishing system; water spraying system
oil fire-sprinkling system
space sprinkler system
tech. deluge system; drencher system (指一种手动洒水装置); fire-protection sprinkler system
喷水 灭 火系统
: 25 phrases in 5 subjects
Exhibitions1
Hydroelectric power stations1
Nautical3
Rail transport1
Technology19