型是第一台全部采用国产元部件的电牵引滚筒采煤机。
The Type MG(?) 2-D electric-traction drum shearer was the first one manufactured completely in home-produced parts. Thed.
型是第一台全部采用国产元部件的电牵引滚筒采煤机。
The Type MG(?)2-D electric-traction drum shearer was the first one manufactured completely in home-produced parts.
圆环链适用于煤矿刮板输送机、刨煤机、 滚筒采煤机及其它机械牵引链等。
Ring chain is applicable to coal mine scraper conveyor, plough, drum shearer and other mechanical traction chain, etc.
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