2) 1000 m long great diameter borehole
千米大直径钻孔
4) long drilled pile with large diameter
大直径长钻孔桩
5) the large diameter horizontal long drilling hole
大直径水平长钻孔
1.
The industrial test and thought about the large diameter horizontal long drilling hole;
煤矿坑道大直径水平长钻孔的工业性试验及思考
6) super long-large diameter bored pile
超长大直径钻孔灌注
1.
The research on the operating technology and load transfer mechanism of super long-large diameter bored pile;
超长大直径钻孔灌注桩荷载传递机理研究
补充资料：千米
1.公制长度单位。一千米等于一公里，合我国二市里。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条