德国Greiner 0.2ml PCR单管，多色可选。Item No.盖颜色X个/包X包/箱683201平盖自然5002683271平盖组合5002683272平盖橙5002683273平盖红5002683274平盖蓝5002683275平盖绿5002683276平盖黄5002683277平盖紫5002684201无盖自然5002