It uses back plate which is driven by electromagnetic valve.

分拣单元实现轴承正废品的分离,采用电磁阀驱动的挡板式机构.

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Rough surface in front and back plate.

前面与后面支承板表面粗糙.

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Wider back plate to cylinder settings.

后罩板到锡林的隔距宽.

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Damaged back plate across the width.

后固定盖板在宽度方向上破损.

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Variation in setting between back plate and cylinder.

后固定盖板和锡林隔距差异大.

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And the shoulder depending in the side subway project's back plate, the body curls up.

头和肩靠在旁边地铁工程的挡板上, 身体蜷曲.

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