non-borrow pile-sinking by guiding hole
能工基础 关键词：非取土引孔沉桩，浅层密实砂层，挤土效应 [gap=1042]Key words: Non-borrow pile-sinking by guiding hole; shallow close sand; squeeze effect
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non-borrow pile-sinking by guiding hole
导孔非借位沉桩
以上为机器翻译结果，长、整句建议使用 人工翻译 。