It is a long-term energy policy to replace oil-fuel by coal in our country. CWM (coal water mixture) is a new technology as a substitute for oil-fuel which will have its definite effect.
以煤代油是我国一项长期的能源政策，水煤浆作为一种以煤代油技术将发挥其应有作用。
Medium with worse lubricating property, such as light fuel oil, heavy fuel oil, coal tar, asphalt, viscose, emulsified mixture, etc.
润滑性较差的介质，如轻质燃油、重质燃油、煤焦油、沥青、粘胶液、乳化液等；
Medium with worse lubricating property, such as light fuel oil, heavy fuel oil, coal tar, asphalt, viscose, emulsified mixture, etc.
润滑性较差的介质，如轻质燃油、重质燃油、煤焦油、沥青、粘胶液、乳化液等；
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