常見例句雙語例句Sprinkler system is historical and beneficial, being divided into close-type sprinkler system and open-type system.自動噴水滅火系統(tǒng)歷史悠久、應(yīng)用傚果良好,分爲閉式系統(tǒng)和開式系統(tǒng)。 返回 open sprinkler system