甲醛常作为尿液的防腐剂,一般每升尿中加入
A.10%甲醛溶液5~10ml B.20%甲醛溶液10~15ml C.30%甲醛溶液5~10ml D.40%甲醛溶液5~10ml E.50%甲醛溶液5~10ml。正确答案D
甲醛常作为尿液的防腐剂,一般每升尿中加入
A.10%甲醛溶液5~10ml B.20%甲醛溶液10~15ml C.30%甲醛溶液5~10ml D.40%甲醛溶液5~10ml E.50%甲醛溶液5~10ml。正确答案D
