net carbide

例句：

1. 1.The engineer analyzed the chemical composition of the net carbide and determined its properties.
   工程师分析了净碳化物的化学成分，并确定了其性质。
2. 2. The scientist conducted experiments to study the effects of net carbide on plant growth.
   科学家进行了实验，研究净碳化物对植物生长的影响。
3. 3. The company produced a new type of net carbide that was more efficient than its predecessors.
   该公司生产了一种比前代产品更高效的净碳化物。