So, processing mixture of vacuum residue and ethylene heavy tar is expected to be a better route for expanding ethylene heavy tar use.
在减压渣油中掺兑乙烯重焦油，有望成为扩大乙烯重焦油利用的一种途径。
Apply steam to heat the flushing-liquor decanter indirectly to soften the heavy tar depositing on the bottom of tank to decrease the drag of chain scraper.
用蒸汽在机械化澄清槽底部间接加热，使沉积于底部的重质焦油软化，减少刮板阻力。
The Longkou tripod economics and trade Limited company sells the industrial used Heavy tar calcium carbonate product.
龙口三鼎经贸有限公司主营工业用重质碳酸钙产品。
The Longkou tripod economics and trade Limited company sells the industrial used Heavy tar calcium carbonate product.
龙口三鼎经贸有限公司主营工业用重质碳酸钙产品。
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