buffer gear
短语词组
- coupler and buffer gear 车钩缓冲装置
- buffer and draw gear 缓冲与牵引装置
- draw and buffer gear 缓冲车钩
- coupler buffer gear 车钩缓冲装里
- buffer gear cold 缓冲齿轮
- bination buffer and draft gear 缓冲车钩
- combined draw and buffer gear 缓冲车钩
- combination buffer and draft gear 缓冲车钩 返回 buffer gear