大家都搜：
平底孔
1、through hole───透眼，透孔，通孔
2、weepers hole───泄水孔
3、castellation hole───蜂窝孔
4、drilling hole───钻孔
5、hole───vt.凿洞；vi.凿洞，穿孔；（高尔夫球等）进洞；n.(Hole)人名；(瑞典、挪)霍勒；(英)霍尔；n.洞，孔；洞穴，穴；突破口
6、flat───vt.使变平；[音乐]使（音调）下降，尤指降半音；n.（法）弗拉特（人名）；（英）弗莱特（人名）；adj.平的；单调的；不景气的；干脆的；平坦的；扁平的；浅的；adv.（尤指贴着另一表面）平直地；断然地；水平地；直接地，完全地；n.平地；公寓；平面；vi.逐渐变平；[音乐]以降调唱（或奏）
7、flat track───平道
8、flat-bottomed hole───平底井
9、he hole───he洞
1、One end of the jack bolt is positioned in the threaded hole at one side of the flat hole sleeve.───丝的一端置入扁平孔套一侧的螺纹孔内。
2、One end of the jack bolt is positioned in the threaded hole at one side of the flat hole sleeve.───顶丝的一端置入扁平孔套一侧的螺纹孔内。
3、Each medal has a jade inlay, a flat jade disk with a hole in the center.───每块奖牌都有碧玉镶嵌，其形状扁平，中间有孔。
4、Centipede seam drilling capacity is very strong, it tends to sensitive antennae and flat panels on the first hole to test the joints, rocks and through most of the land or habitat gaps.───蜈蚣钻缝能力极强，它往往以灵敏的触角和扁平的头板对缝穴进行试探，岩石和土地的缝隙大多能通过或栖息。
5、Deviation rectify technique for flat hole of coal bed methane───煤层气近水平孔钻进纠偏技术
1、The result of thermograph series of material surface with bottom flat hole verifies the correct of the model. It proves that this approach has high practicality for engineering.