back rack是什么意思

网络释义

1)back rack,背後接线架2)Bk Rest Back Rest,椅背,後支架3)CRAH Rear-Axle-Hold,後轴架4)backgear,背轮，後齿轮5)backward welding,後退熔接6)Then; following this,然後;其後;接著;就