四聚乙醛
参考答案:2912500010
解析:
海关商品名称:四聚乙醛海关编码:2912500010法定单位一:千克惠税:5.5%普税:30%增值税:17%监管条件:S
It's time for class.We'd better go to our classroom as ______ as we can. [ ]
A. slowly
B. quickly
C. quietly
D. easily
下列哪项符合无菌技术操作原则:
A.手持无菌镊的1/2处
B.持无菌容器时手指触及容器边缘
C.将无菌敷料伸进无菌溶液瓶内蘸取溶液
D.将无菌盘的盖巾扇形折叠时,开口边向外
E.戴无菌手套的手触及另一手套反折部的外侧面