national monopoly的用法和樣例：
例句
- In recent years, company Zeng Duoge the product has attained the national monopoly.
近年來(lái)，公司曾多個(gè)產(chǎn)品已獲國家專(zhuān)利。 - A number of technology products and national patents, and products have become the world's original support of the new Spunlace cloth.
多項產(chǎn)品和技術(shù)獲得國家專(zhuān)利，并有多支產(chǎn)品成為全球獨創(chuàng )的新型水刺布。
