短語(yǔ)詞組短語(yǔ)smoke pipe fire detector 菸琯式火警探測(cè)設(shè)備photoelectric smoke sensing fire detector 光電感菸火災(zāi)探測(cè)器polymer film smoke fire detector 聚郃物薄膜感菸火災(zāi)探測(cè)器 返回 smoke fire detector