枢轴线,旋转轴;
This is because the driving front wheels are trying to go around the steering axis inclination pivot point with a negative scrub radius.
这是因为驾驶前轮正试图去左右督导轴倾角支点与负面的磨砂半径。
Such flap blood supply is based on the terminal of the axis artery cutaneous branches which issued constant descending and ascending ones, and the adjacent branches coincide into chains parallel to the long axis of the pivot artery.
此种皮瓣的血供基础是轴心动脉发出的皮支终末分为恒定的升、降支,相邻升、降支相互吻合,形成与轴心动脉长轴平行的皮支链。
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