punch hammer

英 美
  • 冲锤,穿孔锤
  • hammer n.锤;榔头vi.锤击;反复敲打vt.锤打;严厉批评
  • punch vt.按(键);以拳重击;开洞;剪票n.殴打n.打洞器;钻孔机n.感染力n.(酒、水、糖等制成的)鸡尾酒
    1. The prestressed hammer driven piles aided by water jetting were used as the substructure of a wharf, and transverse cracks were observed in the bodies of the five test piles.
      摘要某码头工程下部结构采用预应力水冲锤击桩,试桩过程中发现,在贯入度较大的情况下桩身多处产生横向裂缝,使桩尖无法达到设计标高。