Gear after heat treatment with high hardness and strength, and shaft installed in the replaceable shaft sleeve.

齿轮经热处理有较高的硬度和强度，与轴一同安装在可更换的轴套内运转。

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Meanwhile, the handle and the cone of the gear shaft will have increased loads on gear, sleeve and workpiece.

同时，手柄对齿轮和齿轮轴的锥体对锥套及工件都会产生增力的作用。

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A shifting fork controls a cylinder, a geared sleeve is connected with a dual gear, which can generate a high or low speed, and the gearbox can have two types of outputs.

汽缸通过拨叉控制，齿套分别与双联齿轮联接完成高速挡和低速挡两种输出形式。

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The nerve center of this wired gear sits on the wearer's left sleeve: a semi-stylish plastic oval with a scrollwheel and one-line display that allows you to switch between rockin' and chattin'.

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