This topic has been archived. It cannot be replied.
-
工作学习 / 专业技术讨论 / why always talking computer but not else? how about chromotography? who knew proton NMR? GC-MS? what if you have HACCP certificate? HPLC? reverse phase or normal phase seperation?
-jackfruit(fromshanghai);
2005-7-3
(#2377923@0)