tinning unit

例句：

1. 1. Thetinning unit is responsible for the finalassembly of the product.
   镀锡机组负责产品的最终组装。
2. 2. The tinning unit is acrucial component in the production process.
   镀锡机组是生产过程中的关键部件。
3. 3. The tinning unit was designed toimprove the quality and durability ofthe product.
   镀锡机组被设计来提高产品的质量与耐用性。