low-temperature tar 低温煤焦油
low-temperature producer tar 低温发生炉焦油
low-temperature coat tar 低温煤焦油
low temperature coal tar 低温煤焦油
low temperature coal-tar 低温煤焦油
low temperature carbonization tar 低温焦油
Low temperature coal tar pitch 低温煤焦油沥青
The reason of low recovery rate of tar in coke product was analyzed; the recovery rate of tar was increased by decreasing the oven-roof temperature and adjusting operating conditions.
分析了焦炭生产中焦油回收率低的原因，通过降低炉顶温度和调整工艺操作，提高了焦油的回收率。
The low temperature coal-tar includes many precious compound, but at the present it is often selled as the liquid fuel in the market, this creates enormous waste to the resources.
低温煤焦油中含有许多珍贵化合物，但目前多作为液体燃料在市场上销售，这是对资源的极大浪费。
Large pressure drops will lead to reduction of the gas load in downdraft gasifier, resulting in low temperature and tar production.
大型压力下降将导致在吸式气化炉燃气负荷减少，低温焦油生产造成的。
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