Through utilizing deep groove rollers,solve coal slip problem when big declivitous angle belt conveyor working.
通过采用深槽托辊了大倾角式输送机下滑问题;
Through utilizing deep groove rollers,solve coal slip problem when big declivitous angle belt conveyor working.
通过采用深槽托辊了大倾角式输送机下滑问题;
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