介绍了国内外磷酸盐工业的概况和我国的生产以及进口状况。
The general situation of phosphate industry at home and abroad, and the production and import of it in China are introduced.
介绍了我国镀锡板生产、进口状况及存在的问题，分析了镀锡板面临的市场形势，提出了建设性意见。
The tinplate production, import and existing problems in China are introduced. The market situation is investigated and some suggestions are put forward.
一国进口超过其出口的不平衡状况。
An imbalance in which a nation's imports exceed its exports.
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