1. 倒车运行：astern running 倒车 | astern running 倒车运行 | astern sea 尾浪
2. 倒车：astern running operating management 倒车工况管理 | astern running 倒车 | astern running 倒车运行
3. 倒车,倒转：在后方的,向后的 astern | 倒车,倒转 astern running | 像散,像差 astigmatic aberration