bottom-supported造句

• Bottom - supported movable platform
  底部可支撑的可移式平台
• Bottom - supported fixed platform
  底部支撑的固定式平台
• Bottom - supported mobile rig
  坐底式活动钻井装置
• Bottom - supported platform
  坐底式平台
• Abstract : non - plank construction method of bottom - supported tied arch bridge makes possible of uninterrupt or short time in terrupt of navigation , having very high social and economic benefits
  文摘:下承式系杆拱桥无支架施工可以做到通航河流的不断航或少断航，具有很大的社会、经济效益。