???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
??????
1?????????????????2mL??????10????????????20mL?о??Ρ????1?Σ?7-15???1?????????????????
2???????????????6-lOmL??kg????????20mL??????lOOk????????????-lOOmL??????????????1?Σ?10???1?????????????????
???????
1?????С???????????????30g????????????????????????????????????
2?????顢???????????????????15g??????9g????????????????????
7??5g?????6g?????????????lOOg???????900g????????????????????????????????????1??1?Ρ???????????????
???????
?????????????????????????????????????????26??-28???????У???????????????????????????26???28???????У?1С?????28??????У??1С????????1?????30??-32???????????36????????????????????????????????????·???????12-24С????????????????