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|{{#ev:vimeo|8454559|200|auto|<center>Pumps - EMAS <br>hydraulic ram, 16min.</center>}}
|{{#ev:youtube|0ovPSSOs76U|200|auto|<center>Local Hydraulic Ram pump <br>by AID Foundation, Philippines</center>}}
|{{#ev:youtube|zIJoowE2tz0|200|auto|<center>Installation of Hydraulic <br>Ram pumps in Afghanistan</center>}}
|{{#ev:youtube|u2nGlnMNXrw|200|auto|<center>Ram pump produced <br>by R.A. Initiatives</center>}}
|}
水泵-EMAS，液压活塞，16分钟。
菲律宾本地液压活塞水泵，由AID基金会提供。
