Hand-dug pile 人工挖孔桩
man dug pile 挖孔桩
hand dug pile 人工挖孔桩
man-dug pile 挖孔桩
manual dug pile 人工挖孔桩
manually dug pile pit 人工挖孔桩
dug pile by the man 人工挖孔桩
The labour-dug pile is widely used in foundation engineering.
人工挖孔桩是应用较为普遍的基础结构。
Give a more detailed description of the design principle that used protection with dug pile in transformation of existing railway bridge and culvert construction in parallel paragraph.
施工为例，较为详细地介绍了铁路既有线改造工程并行段桥涵施工中采用挖孔桩防护的设计原理。
Through economic comparison of several structural types which were applied in Guangzhou Metro Line 1, the single wall structure formed by rectangular man-dug pile has obvious economic advantage.
通过对广州地铁一号线矩形人工挖孔桩单一墙与其它几种围护结构的经济对比，可以看出该结构具有明显的经济优势。
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