单项选择题
A.火焰灭菌B.高压蒸汽灭菌C.干热灭菌D.以上都是
A.抗生素B.硝酸银C.活性炭D.抗氧化物质
A.50%来苏尔40ml加水980mlB.50%来苏尔40ml加水960mlC.40%来苏尔50ml加水980mlD.40%来苏尔50ml加水960ml
A.20minB.60minC.80minD.100min
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