How do you keep your retention samples of raw materials and finished products?
您怎样保存原料和成品的留样？
The management of retention samples is an important part in institute for drug control.
检品留样管理是实验室管理的重要组成部分。
The management of retention samples is an important part in institute for drug control.
检品留样管理是实验室管理的重要组成部分。
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