Imports of cut-off valve stem and valve seat sealing surface perpendicular to the axis.
进口截止阀的阀杆轴线与阀座密封面垂直。
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。
Core plugs are ordinarily cut perpendicular to the axis of the core or parallel to the axis, called horizontal and vertical plugs, respectively, when cut from a vertical wellbore.
岩心栓一般从平行或垂直于岩心轴的方向切下来，从垂直井眼方向切取的岩心中取出的分别叫做水平岩心栓、纵向岩心栓。
Rectangle of corrugated cardboard, 4cm by 16cm cut with corrugations running perpendicular to the long axis of the rectangle.
矩形的瓦楞纸板，4厘米的一十六厘米削减波纹运行与垂直于长轴的长方形。
Rectangle of corrugated cardboard, 4cm by 16cm cut with corrugations running perpendicular to the long axis of the rectangle.
矩形的瓦楞纸板，4厘米的一十六厘米削减波纹运行与垂直于长轴的长方形。
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