But can also be marked in accordance with the requirements of Product drawings at guard and maintain the planes, ring, seal, or device-side surface dust.

但也可按照产品图纸要求标在护罩、保持架、挡圈，密封或防尘装置的端面上。

youdao

But can also be marked in accordance with the requirements of Product drawings at guard and maintain the planes, ring, seal, or device-side surface dust.

但也可按照产品图纸要求标在护罩、保持架、挡圈，密封或防尘装置的端面上。

youdao