基本解釋截面寬度英漢例句雙語例句This section plane was found and measured on the spot during the 1/50000 areal geological investigation of Sihai breadth.在參加1∶ 5萬四海幅區(qū)域地質(zhì)調(diào)查過程中，發(fā)現(xiàn)并實測了該剖面。It is shown that the optimal hydraulic section for compound canal has smaller section area and narrower breadth of water surface than trapezoidal canal by calculation and comparison.并通過算例比較證實，復(fù)合斷面水力最佳斷面的面積和水面寬度比梯形水力最佳斷面的小。breadth of section更多例句專業(yè)釋義土木建筑工程截面寬度