导杆 Extension Tube
多种壁厚和直径，可满足不同需求
A variety of wall thickness and diameter, can meet different requirements
可定制多样化长度规格，灵活处理不同桩长的施工
Diversified length specifications can be customized to fleexibly handle the construction with different pile lengths
独特的内嵌自锁式螺栓固定，拆装方便，连接可靠
Unique embedded self-locking bolt fixed to facilitate the easy assembly/dis-assembly and reliable connection
由于技术不断更新进步，技术参数及配置与实物差异之处以交机实物为准；另，图片上的机器可能包括附加设备。
