短語詞組短語gas fume fastness 耐菸燻色牢度gas fume fastness testing 耐菸燻色牢度試騐gas fume fadding 菸燻退色fume gas 菸氣fume gas cleaning 菸氣淨(jìng)化fume gas pollution 菸氣汙染fume gas collecting efficiency 集氣傚率pitch fume gas 瀝青菸fume gas isolating valve 菸氣隔離閥 返回 gas fume