screw bored pile螺杆灌注桩
screw grout pile螺杆灌注桩
screw w pile螺旋桩
Screw w Pile Driver★
soil displacement screw pile螺旋挤土桩
reinforced concrete screw pile钢筋混凝土螺旋桩
Screw Pile Driver螺旋钉头落;★;摇杆一回转
screw-jetted pile喷粉桩
screw pile machine螺旋桩机
Secondly, parameter optimization. The size of screw pile should designed reasonably.
第二,优化了螺旋桩设计参数。
参考来源 - 滚压成型螺纹灌注桩竖向承载力性能研究N（名词） a pile with a threaded tip that is screwed into the ground by a winch or capstan 螺旋桩