前苏联磷化工总体技术水平比美国低。
The overall technical level of yellow phosphorus industry of the former U. S. S.
产品已通过国家级鉴定，总体技术水平达到国内领先，国际先进。
Products have passed the national appraisal, the overall level of technology reached the leading domestic and international advanced.
产品已通过国家级鉴定，总体技术水平达到国内领先，国际先进。
The products have passed the national approval and the level of technologies has become the lead of this application fields.
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