piling rig造句

• Mobile piling rig
  移动式打桩机
• Analysis and disposition for an accident of drill bit being buried in large diameter drilling with non - circulation of slurry by hydraulic piling rig
  某旋挖钻机大口径无循环钻进埋钻事故的分析处理
• The supervisor and the piling rig operator did not give sufficient care to the standard procedure of checking the ground conditions , before moving the piling rig
  当时，管工及打桩机操作员未有完全按既定的操作程序，在移动打桩机前检查地面情况。