短語(yǔ)詞組短語(yǔ)open automatic sprinkler system 開(kāi)式滅火系統(tǒng)open sprinkler head 開(kāi)式灑水噴頭open sprinkler system 開(kāi)式噴水滅火系統(tǒng)open -type sprinkler system 開(kāi)式系統(tǒng)automatic open -close sprinkler 自動(dòng)啟閉噴頭 返回 open sprinkler