1) central point single targeting method
中点单觇法
1.
Before the steel box girders were lifted and installed,the steel pipe supports must be tested by compression and the trigonometric leveling based on the central point single targeting method was used to observe the settlement of the supports.
采用中点单觇法三角高程测量方法观测高钢管支架沉降量,其观测结果的中误差为±3。
2) marked point
觇标点
3) aiming point
(测量)觇点，瞄准点
4) centring error of
觇标对中误差
5) single-phase midpoint connection
单相中点抽头接法
6) single point method
单点法
补充资料：中点
1.中午正餐前的点心。
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