德国Greiner 0.5ml PCR单管，多色可选。Item No.盖颜色X个/包X包/箱682201平盖自然5002682272平盖橙5002682273平盖红5002682274平盖蓝5002682275平盖绿5002682276平盖黄5002682277平盖紫5002682281平盖组合5002