| 单词 | weight arm |
| 释义 | > as lemmasweight arm The distance between the fulcrum and the line of action of the force being applied to the lever is frequently called the power arm, while that between the fulcrum and the line of action of the weight or load is frequently called the weight arm. Both distances are used to calculate the mechanical advantage of the lever.extracted from armn.1< as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。