齿轮套不得有轴向窜动。

The gear hub are not allowed to move along axially.

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其特征是一个与主轴转动配合的齿轮套与两套活塞组的连杆齿条相啮合。

It features in the engaging of the gear sleeve that matches with the rotary of the master shaft and the connecting rod rack of two sets pistons.

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每台空压机相当于有80套电子齿轮，可按用户实际用气的气量和压力，自动实现优化控制。

Each machine air compressor is equivalent to 80 sets of electronic gear, according the user of actual use gas production and pressure, automatic optimization control.

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