4023 卷扬机带冲击锥冲孔

工程内容:

  1. 装、拆、移钻架,安卷扬机,串钢丝绳,安滑轮;
  2. 准备钻具、冲孔、提钻、出渣、加水、加粘土、清孔、量孔深。

单位:10m

 




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