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.

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

    e.g. The white marble floors were inlaid in a radial 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
    A radial or a radial 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. pneumatic tire that has radial-ply casing

    Synonym: radial tireradial-ply tire

1. arranged like rays or radii
    radiating from a common center

    e.g. radial symmetry
           a starlike or stellate arrangement of petals
           many cities show a radial pattern of main highways

    Synonym: stellateradiate

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

    e.g. radial heat

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

    e.g. radial velocity

4. relating to or near the radius

    e.g. the radial aspect of the forearm