“Z” shaped traction perch  美国科学工作者协会; Z字形牵引杆

1-traction  口诉法

1-traction rope for 2-conductor  一牵二

410 traction motor  410型牵引电机

Abdomen wall traction stitch  腹壁牵引线

abduce hanging skin traction  外展悬吊皮牵引

Abrasion of traction wheels  动轮擦伤

AC traction  样车; 交流传动; 交流牵引

AC traction drive  交流传动

AC TRACTION DRIVES  交流传动机车

AC traction motor  异步牵引电机

AC traction supply system  牵引供电系统

acceleration and deceleration in traction and braking  牵引和制动加减速度

AC-DC-AC traction  交直交牵引

active traction control  换流器; 变换器; 变频器

All parallel AT traction system  全并联AT供电

all-parallel AT traction power supply system  全并联AT供电

all-parallel AT traction system  全并联AT供电

all-paralleling AT traction power supply system  全并联AT供电

and Traction return current  牵引回流