Improving of material, dimension, heat-treatment, construction form on the chain of bucket conveyor are introduced, then increase service life of bucket conveyor.
通过对斗式提升机链条的材质、尺寸、热处理、结构形式的改进，从而提高了其使用寿命。
Improving of material, dimension, heat-treatment, construction form on the chain of bucket conveyor are introduced, then increase service life of bucket conveyor.
通过对斗式提升机链条的材质、尺寸、热处理、结构形式的改进，从而提高了其使用寿命。
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