短語詞組短語soil sterilising preparation 土壤消毒制劑soil method preparation 整地方式soil split preparation 土壤切片制備stained soil suspersion preparation 土壤染色制片法soil sample preparation 土樣制備stained soil suspension preparation 土壤染色懸液制備soil preparation machine 整地機(jī)whole soil preparation 全面整地depth of soil preparation 整地深度 返回 soil preparation