滑轮槽底直径  pulley slot bottom size

扩底直径  bellout diameter

牙底直径  root diameter

大直径海底隧道  Large-diameter undersea tunnel

大直径扩底墩  large- diameter belled pier

大直径扩底灌注桩  large diameter cast-in-place belled pile; filling large-diameter club-footed filling pile

大直径扩底桩  Large diameter belied piles; large diameter bottom-enlarged pile; large diameter belled pile; large diameter belied pile

大直径挖孔扩底灌注桩  large-diameter cast-in-situ piles with enlarged ba

底孔直径  bottom diameter

底孔直径计算  Calculation for Bottom Diameter

底面直径  Basal diameter

井底部小直径井眼  rat hole

人工挖孔大直径扩底桩  large diameter bulb pile constructed by manual excavation

大直径径向渗透率仪  full diameter radial permeameter

大直径直缝焊管  Large－ sized straight weld pips; large-diameter butt welded pipe; large diameter longitudinal welded pipe; Large-sized straight welded tube

大直径直缝埋弧焊管  Large-sized LSAW pipe

补底②底物  Substrate

布底底色  bottom

底径  bottom diameter