This paper put great emphasis to describe the craftwork digging peg hole manpower in the city bridge engineering application. It states the advantage to dig hole peg.
本文着重叙述了人工挖孔桩的工艺，在城市桥梁工程中的应用。阐明了挖孔桩的优越性。
It states the advantage to dig hole peg.
阐明了挖孔桩的优越性。
It states the advantage to dig hole peg.
阐明了挖孔桩的优越性。
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