کلمه well point یافت شد:
n: in pipeline construction, a device installed in waterlogged soil to dry out areas along the ditch line. Functioning as a submersible pump, a well point is a hollow steel rod approximately 18 feet (5.5 metres) long driven into the ground. Its free end is connected by hose or tubing to a well- point pump that moves groundwater away from the ditch. Hundreds of well points may be required to stabilize an area.
برای نمایش کلمات مرتبط نیز اینجا کلیک کنید!© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
