对采血者手指消毒效果的质控检测标准为()。
A.0CFU/cm
B.10CFU/cm
C.15CFU/cm
D.20CFU/cm
E.25CFU/cm
参考答案:B
It is said that he will______ his uncle’s business when he is mature enough to deal with the pubic relations.
A.think over
B.hand over
C.take over
D.go over
回转润滑采用(),双线给油器等集中润滑方式,按规定及时加油润滑。