2.之前你告诉我们造成产品出现不良现象的原因有：1）齿轮缺陷，2）电位

2. Before you told us the reasons for the bad phenomenon of the product are: 1) gear defect, 2) potentiometer defect, these bad reasons you feedback, we check the IQC colleagues, inspection records, these raw materials inspections are all good products that meet the standards .

2. Previously, you told us that the causes of defective products are: 1) gear defects, 2) potentiometer defects. We checked the inspection records of IQC colleagues. These raw materials are good products that meet the standards.

2. Before, you told us that the causes of product defects were: 1) gear defects, 2) potentiometer defects, and the feedback of these defects. We checked IQC colleagues' inspection records and found that these raw materials were all qualified products.