weft selecting mechanism

例句：

1. 1.The weft selecting mechanism is crucial for the quality of the fabric.
   纬向选材机制对于织物的质量至关重要。
2. 2. The weft selecting mechanism ensures that the fabric has evenly distributed threads.
   纬向选材机制确保织物中的线均匀分布。
3. 3. The weft selecting mechanism was developed to improve the durability of the fabric.
   纬向选材机制被开发出来以提高织物的耐用性。