Radiation is a form of energy transfer that does not require a supporting medium nor contract with radiating body.
辐射是一种既不需要介质也不需要与辐射体接触而进行的能量传输形式。
As with the locomotive bogie, the coach bogie is a four - wheel or six-wheel truck supporting the coach-end thorough the medium of a pivot.
同机车转向架一样，客车转向架也是四轮或六轮的转向架，利用枢轴支撑车箱的顶部，使之可以自由转动。
It is well known that the size and performance of suspension system for the motor wheel truck are dependent on the type of working medium used for the supporting cylinder.
电动轮汽车悬挂系统的尺寸大小和性能好坏，取决于它的支撑缸所采用的工作介质的类型。
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