在一种实施方式中，所述褶皱成圆锥形排列。
圆锥滚子轴承有圆锥形内圈和外圈滚道，圆锥滚子排列在两者之间。
Tapered roller bearings have tapered inner and outer ring raceways between which tapered rollers are arranged.
分布盘上喷淋孔按正三角形或者正方形排列，挡板为圆形、方形或者三角形的平板、凸板或者锥形板。
The spray holes on the distribution disc are arranged according to a regular triangle or a square, and the baffle plate is a circular or square or triangular flat or convex or tapered plate.
分布盘上喷淋孔按正三角形或者正方形排列，挡板为圆形、方形或者三角形的平板、凸板或者锥形板。
The spray holes on the distribution disc are arranged according to a regular triangle or a square, and the baffle plate is a circular or square or triangular flat or convex or tapered plate.
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