cylinder counterfort
英
美
- 钢筒护壁
双语例句
- 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。
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