森林舞会二年级看图写话简介:In addition to agriculture and handicrafts, Tiangong Kaiwu also includes production technologies such as machinery, bricks and tiles, ceramics, sulfur, candles, paper, weapons, gunpowder, textiles, dyeing, salt making, coal mining, oil extraction, etc. It is a real An encyclopedia in the sense of the word.
In addition to agriculture and handicrafts, Tiangong Kaiwu also includes production technologies such as machinery, bricks and tiles, ceramics, sulfur, candles, paper, weapons, gunpowder, textiles, dyeing, salt making, coal mining, oil extraction, etc. It is a real An encyclopedia in the sense of the word.