知识贝壳
知识贝壳
所属栏目：发酵生物技术英语
The fermenter is constructed of a suitable grade of stainless steel,with butt-welded joints polished flat on the inner surfaces.Over-lapping joints are unacceptable since the resulting ledge causes an accumulation of spent culture,creating problems on sub ......（本文共 3508 字 ） [阅读本文] >>