Therefore, the crash safety of double-decker coach has been attracted extensive attention.

因此，双层公路客车的碰撞安全性问题已经受到行业内外的普遍关注。

youdao

Therefore, the crash safety of double-decker coach has been attracted extensive attention.

因此，双层公路客车的碰撞安全性问题已经受到行业内外的普遍关注。

youdao