Road-paving asphalt meeting the required specifications can be prepared by mixing coal tar with fluid catalytic cracker (FCC) bottoms and whole used tire, excluding steel belts, at proper ratios.
英
美
- 把煤焦油、流化催化裂化(FCC)重油和全旧轮胎(除去钢带)按合适的比例混合,就可得到符合规格要求的铺路沥青。