调回, 退行shunt: vt. 1.逃避,躲开,闪开;〔口语〕将(工作、义务等) ...back: n. 1.背,背部;背脊;背面,反面;背后,后部,后面, ...back shunt: 矿车自动折返装置; 之字线shunt-back: 矿车自动折返装置back shunt keying: 后分路键控下载手机词典可随时随地查词查翻译