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。
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Driven gear cracking was found in repair.
某从动齿轮在中修时发现开裂。
应用推荐
模块上移
模块下移
不移动