带电作业牵引设备 stringing: 穿绳; 架线; 紧线; 拉丝; 丝头; 拖尾working equipment: 工作设备insulated pulleys for live working: 带电作业用绝缘滑车insulating rope for live working: 带电作业用绝缘绳索live in comfort without working: 坐享清福下载手机词典可随时随地查词查翻译