For all operators in this unit group, completion of secondary school is usually required.

对于本单元组的所有运营商，通常需要完成中学。

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Many designers and operators require such paint on their secondary reformer shells .

有些设计者和操作者需要在二段转化炉外壳涂以此种油漆。

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It is very convenient for the field operators and can be used as a secondary meter in mining industry, the petroleum chemical industry, the metallurgical industry.

该仪器体积小、功能强、精度高，可以广泛适用于电力系统及相关行业继电保护和计量专业、工矿企业、石油化工、冶金企业的二次回路检查。

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In a related move, Facebook has instructed operators of secondary markets such as SharesPost to suspend trading after Friday, according to PrivCo CEO Sam Hamedah.

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This limited secondary market, the rail operators argue, means that they cannot justify spending large sums on rolling stock unless they are sure of keeping their franchises long enough to recover their investments.

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Shopping mall operators like BR Malls (BRML3) are raising capital in secondary offerings, and investors are oversubscribing to new issues.

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