Machine Accessories 机械 配件
Machine - an apparatus using mechanical power and having several parts, each with a definite function and together performing a particular task.
机械就是能帮助人们节省工作难度或省力的工具装置。有一些机械单纯转换力的大小或(及)方向,被称为简单机械。
Machine - an apparatus using mechanical power and having several parts, each with a definite function and together performing a particular task.
机械就是能帮助人们节省工作难度或省力的工具装置。有一些机械单纯转换力的大小或(及)方向,被称为简单机械。