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	retained foreign body retained foreign object retained gas sampler retained lap sponge retained losses retainedly retained meconium retained menstruation retained object retained organs commission retained personnel retained placenta retained products of conception retained profit retained profits retained surgical gauze retained surgical sponge retained teeth retained testicle retained testis retained them over retained water retainer retainer fee retainer medicine

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。