英语词汇“safety counterweight”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	safety counterweight
释义	safety counterweight safety counterweight A mechanical device attached to an elevator-car frame to stop and hold the car (or its counterweight) in case of a predetermined overspeed, free fall, or a slackening of the hoisting cables.
随便看	annual planning estimate annual planning guidance annual planning meeting annual planning table annual (plant) annual plant annual plant load factor annual plants annual policies annual policy annual pollutant loading rate annual population growth rate annual poverty indicator survey annual practising certificate annual premium annuities annual premium annuity annual premium equivalent annual premium income annual price increase annual procurement plan annual product quality review annual product review annual professional conference annual professional development workshop annual professional performance review

英语词典包含2567994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。