domestically-produced的用法和樣例：
例句
- Xian-Lin Liu said, China in this regard is relatively advanced, there are many devices are achieved domestically.
劉先林表示，我國在這方面相對而言比較先進，有很多設備都實現了國產化。 - After this technology is mature,if fracturing material is made domestically,investment cost will be decreased.
如果該技術成熟后壓裂材料實現國產化，可縮短投資費用。
