短語(yǔ)詞組短語(yǔ)foam extinguisher 泡沫滅火器halon extinguisher 鹵代烷滅火器;哈龍滅火器fluid extinguisher 液躰滅火機(jī)throwing extinguisher 手拋式滅火器extinguisher switch 滅火測(cè)試電門(mén)wheeled extinguisher 推車(chē)式滅火器fir extinguisher 滅火器extinguisher fluid 滅火液fire extinguisher 滅火器 返回 extinguisher