1. pneumatic tire that has radial-ply casing

1. relating to or near the radius;

   "the radial aspect of the forearm"
   

2. relating to or moving along or having the direction of a radius;

   "radial velocity"
   

3. issuing in rays from a common center; relating to rays of light;

   "radial heat"
   

4. arranged like rays or radii; radiating from a common center;

   "radial symmetry"
   "a starlike or stellate arrangement of petals"
   "many cities show a radial pattern of main highways"
   

1.辐射状的；向各方向伸展的；放射状的
radial refers to the pattern that you get when straight lines are drawn from the centre of a circle to a number of points round the edge.

radial的近义词

e.g. The white marble floors were inlaid in aradial pattern of brass.
白色的大理石地板镶嵌在铜质的放射形图案中。

2.子午线轮胎
Aradial or aradial tyre is a tyre which is strengthened inside by cords that point towards the centre of the wheel. radials are less likely to slide sideways on wet or icy roads than other tyres.

1. 射线：所有的放射线(radial)车胎都是不能左右对调的,这是基本常识. 所有的放射线(radial)车胎都是不能左右对调的,这是基本常识.