reverse position of pointsreverse switch position道岔: railroad switch; slip point; ...反: reverse side位: place; location道岔反位表示: reverse switch position indication; switch reverse indication道岔反位表示器: reverse position switch indicator下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:道岔反位，即可在微信中查询翻译
