解决了现有炼焦过程中，为满足一定的焦炭反应后强度而配入大量的强粘结煤的问题。
The invention solves the problem that a great amount of forced caked coal is compounded to satisfy a certain strength after reaction in the traditional coking process.
今年冬天他们是否能够得到足够的煤还是一个问题。
It is still a question whether they are able to get enough coal this winter.
汉森预想的禁煤令还有第二个问题：改变的规模。
The second problem with Hansen's prospective coal ban: scale.
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