ED是()英文缩写.
A.蒸馏法
B.离子交换法
C.反渗透
D.电渗析
参考答案:D
One of the fundamental tenets of modern quality management is:
A.Quality is planned and inspected i
B.Quality does not cos
C.Quality is planned, designed, and built in-not inspected i
D.Quality requires constant inspectio
预防接种单位在初步查验儿童预防接种证时应告知其监护人需要补种的(),尽可能在儿童入托、入学前完成补种。
A、疫苗种类
B、剂次
C、补种时间
D、疫苗生产厂家