平底扩孔 Counterbore
扩底钻孔灌注桩 bell-out bored pile
扩底钻孔桩 under-reamed bored pile
深基础钻孔扩底灌注桩 under-reamed bored pile
钻孔扩底灌注桩 Bored club-footed pile; Drilling Bottom-enlarged Grouting Pile; under-reamed bored pile; Bored Cast-in-place Pile with Enlarged Bottom
钻孔扩底桩 amsacrine injection; under-reamed bored piles; Boring and Expanding Bottom Pile; pedestal piles
钻孔扩孔 bore hole drilling and enlarging
浮式钻孔平台 floating boring platform
高位近水平钻孔 high location strike near-horizontal hole
基础钻孔平台 drilling platform
立式平底平盖容器 vertical vessel with flat top and flat bottom
平底孔 Flat-bottomed hole
平底孔当量 Flat-bottomed hole equivalent
平底钻 teat drill
平底钻头 flatter face bit
平底钻嘴 forstner bit
平行钻孔钻架 gadding machine
水平孔钻机 side-wall drill
水平孔钻进 horizontal drilling