closed leveling line [测] 闭合水准路线 ; 闭合水准线路

annexed leveling line [测] 附合水准路线

spur leveling line [测] 支水准路线

linkage of leveling line 水准联测

topographic leveling line 地形测量水准线

open leveling line 支水准路线

unclosed leveling line 支水准路线

connecting leveling line 附合水准路线

tension-bending-leveling line 拉伸弯曲矫直机