Transmission : normally meshed helical gear drive, coupling sleeve shift and two lever operation. The transmission has five forward speeds and four backward speeds .
变速箱采用常啮斜齿轮传动，结合套换档、双杆机械操纵，前进五档、后退四档。
The adjustor consists of gears and worm-gear reducer, and the automatic controller circuit consists of pulse period discriminator, forward switch, backward switch and protector circuit.
调节器由齿轮和蜗轮蜗杆减速器组成；自动控制电路由脉冲周期鉴别、正向开关、反向开关及保护电路组成。
The handle (or gear box) of butterfly valve can be rotated backward or forward for 180 degrees.
蝶阀的把手（或齿轮箱）是可以反转或正转180度操作。
The motor drives the back of the press blade to move forward and backward via the gears and gear arm to realize the purpose of punching easily and quickly;
由电机通过齿轮、齿臂带动压刀梁作前后运动，达到冲孔轻松、快捷的目的；
The motor drives the back of the press blade to move forward and backward via the gears and gear arm to realize the purpose of punching easily and quickly;
由电机通过齿轮、齿臂带动压刀梁作前后运动，达到冲孔轻松、快捷的目的；
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