???????????MD-300S??????????????????м????????????????????????????
???????????MD-300S?????????????????????????????????????????????Χ?????????????
???????????MD-300S???
1.?????? 0.001g/cm3
2.?????Χ 300.00g~0.01g
3.????Χ <1 ,>1??????
4.????? ?????????????????
5.??????? ??????,?????????,200g???????,??????,????????????????????????? 6.?? ? 220V ??
