trailer fifth wheel meaning in Chinese

拖车接轮

Road vehicles . 90 semi - trailer fifth wheel coupling pin . basic and mounting . interchangeability dimensions
道路车辆.半拖车90mm连接销.安装和基本特性.互换性
Road vehicles . 50 semi - trailer fifth wheel coupling pin . basic and mounting interchangeability dimensions
道路车辆.半挂车50毫米连接销.基本尺寸和安装与互换特性
Coupling devices for articulated road trains ; 50 semi - trailer fifth wheel coupling pin ; functional and mounting dimensions , requirements
铰接式汽车列车的挂钩装置. 50半挂车的转盘接合.功能
Coupling devices for articulated road trains ; 90 semi - trailer fifth wheel coupling pin ; functional and mounting dimensions , requirements
铰接式汽车列车的挂钩装置. 90半挂车的转盘接合.功能