产品 |
原煤 |
烧碱 |
电动机 |
棉纱 |
棉布 |
纸 |
火柴 |
卷烟 |
面粉 |
比重 |
28.3% |
59.4% |
79.6% |
46.7% |
40.3% |
63.4% |
80.6% |
80.4% |
794% |
据上表推知,当时( )