常見例句雙語例句Therefore, Shenyang Yuhang Metal Material Research Institute developed ZA303 high-toughness abrasion-resistant alloy, and they have all the knowledge property right.為此,沈陽宇航金屬材料研究所開發(fā)了擁有全部知識產(chǎn)權的ZA303高強韌耐磨合金。 返回 abrasion-resistant property