短語詞組短語halon n extinguisher 哈龍滅火器halon fire extinguisher detail 鹵化物滅火器halon fire extinguisher 鹵代烷滅火器;鹵化物滅火器;海倫滅火瓶Halon n fire extinguisher 鹵代烷滅火器 返回 halon extinguisher