The improved belt box is composed of two semicircular guard discs and parallel rollers with equal length positioned between the guard discs.

  • 所改进后的带盒由两个半圆形挡盘和定位在挡盘之间的平行、等长的轴辊组成。

  • 互联网摘选 2025-01-20 12:47:31

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