这些驱动器，中央螺旋桨轴通过减少锥齿轮2：1减少。
These drive the central propeller shaft through bevel reduction gears with a 2:1 reduction.
并应用其运动性状提出了计算耙式浓缩机、深锥浓缩机、沉淀塔和浓缩漏斗等中央给料浓缩设备的直径计算新方法。
And a new method for calculating the diameter of thickening equipment with central feeding, such as, rake thickener, deep cone thickner, settling tower, thickening hopper etc, accord...
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