main vehicle

• 主要工具

main vehicle的用法和样例：

例句

1. Movana Chen's main art production tools are magazines and the shredding machine.
   陈丽云创作的主要工具是杂志和碎纸机。
2. So ,the momentum and the angular momentum theorem become the main tools for investigating impact phenomena.
   因此，动量定理和动量矩定理就成了研究碰撞问题的主要工具。