1) reversed pendulum hole
倒垂孔
1.
Construction and control of bimetal mark reversed pendulum holes;
双标倒垂孔的施工与控制
2) inverted vertical line hole
倒垂线孔
1.
Construction of the inverted vertical line hole in the Yantan hydropoer station;
岩滩水电站倒垂线孔施工
3) ultra deep bore
特深倒垂孔
4) Drilling of upside down vertical hole
倒垂孔钻进
5) inverse plummet
倒垂
1.
combination of both type dem, some efficacious conclusion is reached, Which provides reliable provement for the optimal design of inverse plummet system, and posses high practiceu value.
倒垂线作为大坝安全监测中的位移基准,必须具有稳定性。
6) reversed pendulum
倒垂线
1.
Although the monitoring of horizontal displacement is measured by reversed pendulum method for a long time, its difficulty is evident.
大坝外部变形安全监测的诸多项目 ,大多是近十数年来才开始在水电工程上逐渐被采用的 ,虽然作为水平位移监测项目之一的倒垂线法由来已久 ,但其施工的难度是水电行业共认的。
补充资料：倒垂莲
1.鸟名。 2.花名。即卷丹。滇南称为倒垂莲。
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