提出建议的标准基础上，其中准备，以满足需要为防止职业病所产生的从接触到四氯乙烯。
Presents the recommended standard based thereon which were prepared to meet the need for preventing occupational diseases arising from exposure to tetrachloroethylene.
其实质在于以人的潜质为基础，以社会需要为标准而进行。
It is essentially carried out on the basis of people's potential and the requirement of the society.
其实质在于以人的潜质为基础，以社会需要为标准而进行。
It is essentially carried out on the basis of people's potential and the requirement of the society.
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