梯形断面

  • 网络trapezoidal section; trapezoidal cross-section; trapezoid section

梯形断面梯形断面

梯形断面

trapezoidal section

水利水电汇总_甜梦文库|文库百度... ... 明沟 open ditches 梯形断面 trapezoidal section 消能坎 energy dissipation ridge ...

trapezoidal cross-section

梯形花洒头 -... ... 梯形波 keystone wave~trapezoidal wave 梯形断面 trapezoidal cross-section~trapezoidal cross- section ...

trapezoid section

梯形断面排水沟,channel with... ... ) trapezoid section 梯形断面 ) hydraulic best trapezoid section 水力最佳梯形断面 ...

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