The pin fits snugly in a reamed tapered hole that is perpendicular to the shaft axis and either radial or tangential to the shaft surface.

该引脚正好符合了扩锥孔的垂直轴的轴线，要么径向或切向轴表面。

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Have your partner stand beside you and check that your ear hole, the center of your shoulder joint, the center of your outer hip, and your outer ankle bone are in one line, perpendicular to the floor.

让同伴站到你的侧面检查你的耳孔、肩关节中心、臀外侧中心和外侧踝骨中心是否在一条线上并与地面垂直。

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To investigate the parameters of parallel cut blast without empty holes, an advanced numerical method is used to study the explosion effect of charge in hole perpendicular to a free surface.

为了考查无空孔直眼掏槽爆破参数，采用数值模拟方法研究单自由面垂直炮孔的爆炸作用问题。

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