ALabbr.阿拉巴马州(=Alabama)abbr.[化学]铝(=aluminum)Alcoan.美国铝业(财富500强公司之一；总部所在地美国；主要经营金属)(=ALuminum Company Of America)

1. This increases the cost of weaving and tends to make air jet looms less attractive.
   织造成本的提高使喷气织机有被忽视的倾向。
2. One way of improving the performance of a air jet loom is to use a device to provent the air jet from breaking up so quickly.
   改进喷气织机的方法之一是使用一个装置来防止气流的快速扩散。