短语词组短語Biphenyl Zone Refined 聯苯zone refined germanium 區域精鍊的鍺zone refined metal 區域精鍊金屬zone -refined germanium 區域精鍊的鍺4 -tert-Butylphenol Zone Refined 叔丁基苯酚Zone -refined germanium ingot 區熔鍺錠 返回 refined zone