词汇	halogen elements
释义	halogen elements 卤族元素
随便看	material property material property criterion material property dimensionality material property extracting material property modification material property of the commodity material property parameters material property tracing material proportion material proportioning Material Release Expediters material reliability evaluation Material Reliability Program material relief material remains of a crime material prosperity Material Protection material protection and maintain material provenance material psychology material puckering material purchase material purchase agreement material purchase allowances material purchase and supply