前导 1.(在前面引路) lead the way; march in front; precede2.(在前面引路的人) a person who leads the way; pioneer; guide 以仪仗队为前导 with the guard of honourmarching at the head; 前导轮 front jockey wheel
Specification for drawbar eyes and forecarriage pins for connection between trailers of 5 - 35 tons gross weight and towing vehicle 总重5 - 35吨的挂车和牵引车连接用牵引杆眼及前导轮架销规范