短語(yǔ)詞組短語(yǔ)protected d space 受保護(hù)空間protected object space 受保護(hù)對(duì)象空間free and protected space 自由和受保護(hù)的空間un -sealed degree of protected space 防護(hù)區(qū)不密封度space protected by foam 有泡沫保護(hù)的區(qū)域space protected by sprinkler 有灑水噴頭保護(hù)的區(qū)域space protected by drenching system 有水帶系統(tǒng)保護(hù)的區(qū)域 返回 protected space