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1.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.
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。收藏指正
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