某从动齿轮在中修时发现开裂。
从动螺杆是通过同步齿轮由主动螺杆带动的。
Driven screw is driven by synchronous gear by the active screw.
从动螺旋伞齿轮的形状复杂，摆动辗压难度大。
Shape of spiral bevel driven gear is complex and rotary forging process is also difficult.
从动螺旋伞齿轮的形状复杂，摆动辗压难度大。
Shape of spiral bevel driven gear is complex and rotary forging process is also difficult.
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