为提高生产能力刮板输送机有向重型化及超重型化发展的趋势。

The scraper conveyer has the heavy-duty and super heavy development trend in order to increase production capacity.

youdao

为提高生产能力刮板输送机有向重型化及超重型化发展的趋势。

The scraper conveyer has the heavy-duty and super heavy development trend in order to increase production capacity.

youdao