英语词汇“差動滑車”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	差動滑車
释义	差動滑車 chā dòng huá chē一种轻便的起重机。用一根无端链绕径三个链轮，两个大小不等的链轮装成一体，挂在机架上，欲吊起之重物则挂在动链轮上，拉动链条，可将重物吊起。
随便看	spot-type heat detector spot-type pneumatic rate-of-rise detector spot-type rate compensation detector spot type smoke detector spot-type smoke detector Spotty plumage spotty record spotty resistance spotty rubber spotty staining spotty steel spotty unit spotty wear spot unblanking spot-up spot urine spot value date Spot varnish spot view spot view finder spot visa SPOT watch spot watering at planting spot wear spot weather forecast