upper supporting roller
... toothed roll crusher 齿辊破碎机 top idler (带式输送机的)上托辊 top surface of the belt 胶带顶面、胶带输送侧 ...
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平行上托辊 upper flat idler
平行上托辊组 carrier flat idler
平行上调心托辊 upper centring flat idler
上调心托辊 Training load idlers
锥形上调心托辊组 carrier taper self-aligning idler
挡辊式上调心托辊组 carrier guide self-aligning idler
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