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.

youdao

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.

youdao