pile hole的用法和样例：
例句
- But when holing in a certain height that the maximum mud height is less than the minimum mud height, take the cylinder to project the hole.
当钻进到某一高程，桩孔中所要求的泥浆最大深度小于最小深度要求时，建议采取护筒护壁措施。
pile hole的相关资料：
临近单词
Pileri
pile
piles composite bearing base
pile foundation construction
pile with plates by incision
Pile-Baffle Permeable Wharf
piled books onto the table.
pile-foundation engineering
pile with branches and plates
pile foundation reinforcement
pile-net compound structure
piled upin a promiscuous heap
