掉线
基于1个网页-相关网页
conductor drop down
导线下降
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Steven Hites, a former railroad conductor in Skagway, lost his job in 1982 after a nearby mine shut down, causing an 85% drop in freight revenue.
FORBES
应用推荐
模块上移
模块下移
不移动