问题
手消毒效果应达到的要求:卫生手消毒监测的细菌数应()
A.≤10cfu/cm
B.≤5cfu/cm
C.≤15cfu/cm
D.≤8cfu/cm
请帮忙给出正确答案和分析,谢谢!
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thrown in /usr/local/xunsearch/sdk/php/lib/XS.php on line 2559