abbr.Hole Full of Water 充满水的钻孔;
例句:
Temperatures Automatic Control System of HFW Welded Pipe Seam
高频焊管焊缝的温度自动控制系统
Effect of HFW Electrode Strike Arc on Welded Pipe Quality and Production
高频焊电极打火对钢管质量和生产的影响
Discuss of Construction and Production of National HFW Steel Pipe Mill
简论我国HFW钢管的机组建设和生产