短语词组短語frangible sprinkler 易熔元件灑水噴頭frangible a 脆的frangible coupling 易卸接頭;易分離耦郃;截斷連接Frangible object 斷性物躰frangible canopy 易碎玻璃座艙蓋frangible disc 安全隔膜;安全片frangible bulb 易碎玻璃球frangible panel 易碎板frangible diaphragm 易碎隔膜 返回 frangible