The wheel was typically a large wooden wagon wheel with many radial spokes, but a wheel was not always used.
车轮通常是一个有许多径向辐条的大型木制车轮, ，但并不一定是用车轮。
2
A shaft in the box and a box cover wheel without axial or radial clearance is another factor to move, should refer to a box of round renovation measures.
条轴在条盒轮与条盒盖间无轴向或径向间隙是转动不灵的又一因素，应参照条盒轮的整修办法进行。
3
Secondly, analyzing statics characteristic of the multi-gear pump demonstrates that radial hydraulic pressure, meshing force and resultant force are balanced on the center wheel.