Manual excavating pile hole

• 人工挖孔桩

Manual excavating pile hole的用法和样例：

例句

1. The large hole stake gains prominent advantages over other stakes in many applications.
   在许多应用场合，大孔桩具有明显的胜过其它桩基的优点。
2. The jetting bore pile construction technique and the prevention and cure measure of trouble in construction were discussed in this paper.
   本文重点论述岩溶区不同地质条件下相应的冲孔桩施工方法和钻进事故防治措施。