活底挖泥船 hopper dredger
海底挖泥机 bag dredge
吸扬式开底挖泥船 trailing suction hopper dredge ; suction hopper dredge
开底挖泥机 Dredge hopper
平底挖沟 flat bottom ditching
开底式挖泥船 [船] [水运] hopper dredger ; dredge hopper
掏底开挖 cut the vertical earthwork bottom
挖底 [陶瓷] bottom cutting ; floor dinting
开底吸扬式挖泥船 hopper suction dredger
为了准备建筑的底基和道路需进行挖运土方。
General earthmoving will be done to prepare sub-bases of buildings and roads.
人工挖孔扩底灌注桩是高层建筑常用的一种桩基础形式，其施工质量的好坏直接影响到建筑的结构安全。
Usually the poured pile by artificial excavation expanding bottom is one foundation pile style of tall building, whose quality can affect the structural safety of the construction directly.
此外，本文还计算了相当于天然情况各种水深、各种挖深比、各种挖槽底宽下挖槽内的流场。
In addition, the fields of the every kind depth, ratio of dredged depth and bottom width in national condition were calculated in this paper.
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