precision type instrument造句

Is it compound for aluminium bag and plastics compound the color printing bag to mould , used in the chemical industry , food , medicine , tea , high pure metal , original device of electron , precision type instrument , large - scale machinery and the vaccum packaging of the national defence highly sophisticated products or general packaging
其一为铝塑复合袋及塑料复合彩印袋，用于化工、食品、医药、茶叶、高纯金属、电子原器件、精密仪器、大型机械以及国防尖端产品的真空包装或一般包装。
It's difficult to find precision type instrument in a sentence. 用precision type instrument造句挺难的