And the magnetic particle detection manner for the roller shaft crack is put forward.
提出了适宜于滚子轴裂纹的磁粉探伤方式。
Use the OLD PLANK from inventory on the shaft and proceed forward into passage.
使用从轴上库存旧板，将通过继续前进。
Use the OLD PLANK from inventory on the shaft and proceed forward into passage.
使用从轴上库存旧板，将通过继续前进。
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