has formed four categories
形成了四个类别
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The company mainly produces surge arresters, load, power divider, microwave passive components and other products, has formed four categories, more than 50 kinds of products.
本公司主要生产避雷器、负载、功分器，微波无源器件等产品，已形成四大类，50余种系列产品。
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