And Otis Elevator in Farmington, Conn., has switched from wound steel cables to flat steel belts, allowing the sheave and motor to be downsized.
英
美
释义
奥的斯电梯公司已经放弃缠绕式钢缆,改用扁平式复合钢带,以进一步减少绞缆轮与马达的体积。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2025 海词词典(Dict.cn)
立即下载