1)apsidal advance,拱线进动2)apsidal precession,拱线进动3)apse line,line of apsides,拱线4)line of apsides,拱线5)circular apse line,圆拱线6)apsidal motion,拱线运动7)apsidal rotation,拱线转动8)springing line,起拱线9)spring,line,起碹(拱)线10)camber line,梁拱线
用法例句
The author searches the new method of construction survey for tunnel circular apse line,which measuring point displacement method in the tunneling construction practice.
