1. 调节水舱：auxiliary systems 辅机系统 | auxiliary tank 调节水舱 | axial advance 轴向进速
2. 车架：(车身)高度阀 levelling valve | 车架 auxiliary tank | 整体车架 unitized frame
3. 辅助柜：auxiliary switchboard 副配电板辅助配电板 | auxiliary tank 辅助柜 | auxiliary test unit 辅助测试装置
4. 副油箱：副梁 auxiliary spar | 副油箱 auxiliary tank | 房室阻滞(心电图) A-V block