中粘度: 水泵和油泵 、 仪表的检查孔盖、气缸盖 、 油底壳和几乎所有的机加工表面. Medium grade: water and oil pumps, instrument inspection covers , cylinder heads, sumps and most machined surfaces.
约30%的肠球菌高耐庆大霉素.Approximately 30 % of Enterococcus exhibited high - level gentamicin resistance.〔结论〕卡那霉素ELB培养基是一种简便、有效的分离肠道肠球菌的选择培养基.Conclusion 〕 kanamycin ELB is a convenient and effective selective medium to isolate ent...
We're going to go home and nurse our colds.我们打算回家调养感冒。I'll go home and pay an overdue visit to my mother.我将回家看望母亲，其实我早该回去了。But Fred was bored and desired to go home.但弗雷德觉得很无聊，想要回家。...
One discovers his ignorance only through learning.学然后知不足.He now discovers that they have been going south instead of north.他这时才明白过来,原来他们一直向南而不是向北航行.Finishing their shopping at the mall, a couple discovers.一对夫妇在一家大卖场里买完东西...