备件的外包装纸箱被打开，里面还有小包装塑料袋，内包装袋可能会有灰尘，由

The outer packaging carton of the spare parts is opened, and there are small plastic bags inside. There may be dust in the inner packaging bag, because the plastic protects the product from contamination and does not affect the quality of the product

Spare parts of the outer packaging cartons are opened, there are small plastic bags inside, the inner packaging bags may have dust, because there is plastic protection products will not be contaminated, does not affect product quality

The outer packing box of spare parts is opened, and there are small packing plastic bags inside. There may be dust in the inner packing bag. Because of the plastic protection, the product will not be polluted and the product quality will not be affected<br>