词汇	Birkle
释义	Birkle 比尔克莱¹⁰⁰
随便看	point of support point of suspension point of switch point of symmetry point of symmetryPS point of takeoff point of take off point of take-off point of tangency point of tangent point of tangent,PT point of tangent to spiral point of tangent to spiral,TS point of taxes payment point of the compass point of the pattern point of thermostsa actuation point of the spectrum point of tire contact point of tireroad contact point of tire road contact point of tongue point of train point of zero flow point of transition