composition a造句

例句与造句

1. Effect of rdx re - crystallized rdx with different solvents on mechanical properties of composition a
   5混合炸药压药成形性能的影响
2. Hu began writing poems , learned the piano , and tried music composition a long time ago
   胡很久以前就开始写诗，学习钢琴，并试着作曲。
3. It's difficult to find composition a in a sentence. 用composition a造句挺难的