1小时
名词[暗黑破坏神]1 Hand一只手兵器;
[例句]The structures of intermediates and the desired product are confirmed by1H NMR and elemental analysis.
所有中间产品和目标产品均通过1H核磁共振和元素得到证实。
0
1小时
名词[暗黑破坏神]1 Hand一只手兵器;
[例句]The structures of intermediates and the desired product are confirmed by1H NMR and elemental analysis.
所有中间产品和目标产品均通过1H核磁共振和元素得到证实。