液压剪扩器与机动泵、电动泵或手动泵配套使用，可实现剪切功能。
Working together with motored pump, electric pump or manual pump, this product serves cutting purpose.
液压扩张器与机动泵、电动泵或手动泵配套使用，可实现扩张功能。
Working together with motored pump, electric pump or manual pump, this product serves spreading purpose.
另一种是为气压泵设计的机动自动换向机构，该机构是利用渐开线(零度压力角)凸轮机构作为换向机构。
The other is a mechanical automatic reversing mechanism designed for atmospheric pumps, which adopts involute (zero pressure Angle) CAM mechanism as reversing mechanism.
另一种是为气压泵设计的机动自动换向机构，该机构是利用渐开线(零度压力角)凸轮机构作为换向机构。
The other is a mechanical automatic reversing mechanism designed for atmospheric pumps, which adopts involute (zero pressure Angle) CAM mechanism as reversing mechanism.
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