turnback checks素色阔边小格子棉布
Turnback Time换向时间
Turnback Mountains回头山脉
air turnback空中返航
turnback loop掉头路轨
turnback judge折返点裁判员
Turnback cuff翻袖口
turnback flow heat exchanger折流式热交换器
FTB Field Turnback工地误工反馈
Neck turnback height领折入后高