1.飞机脚架,起落架
2.(车辆,重武器的)下部构造,底架,下架,底盘
1.the wheels of an airplane and the whole structure that supports it
1.It also states a troubleshooting analysis of the undercarriages retractile system.
还包括一次起落架收放系统的故障分析。
2.Tractor terminology--Running gears and undercarriages
拖拉机术语行走系
3.Comparative Analysis of Two Kinds of Undercarriages on Crawler Hydraulic Excavators
履带式液压挖掘机两种车架的对比分析