2. 外语
  3. They introduced some sophisticated technology and equipments, thus improving the quality of their products.

They introduced some sophisticated technology and equipments, thus improving the quality of their products.

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问题 They introduced some sophisticated technology and equipments, thus improving the quality of their products.
选项
答案他们引进了一些尖端技术设备，从而提高了产品质量。
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