难检字字典在线查询

汉语拼音：dīng bà

保护堤岸的水工建筑物。一端和堤岸连接成丁字形，能改变水流，使河岸不受冲刷，并可淤出农田。

1. 一种治导河流、保护堤岸的水工建筑物。一端与堤岸连接成丁字形，能改变水流，使堤岸不受冲刷，丁坝可使泥沙在坝田里淤积，以造成新岸。

• The contribution of groyne height reduction to counteracting unwanted erosion is then considered a favourable incidental circumstance.

  丁坝降低对减少一些对主槽不利的侵蚀是一项比较可取的措施。

• The results from the experiments showed that the channel bed stability of gabion spur dikes is higher than that of conventional spur dikes.

  试验结果发现，丁坝种类以蛇笼透水丁坝之河床稳定性较传统不透水丁坝为佳；

• Local directional change of the flow field in the vicinity of spur dike would result in local scouring of spur dike.

  丁坝（群）附近的局部流场变化是引起丁坝局部冲刷的根本原因。

• n. As a new fashion river regulation building, it is necessary to research the effect of pile permeable groins to local flow quantitatively.

  作为一种新型河工建筑物，桩柱透水丁坝对局部水流的影响亟需可靠的定量研究。

• The paper further studies the scouring mechanism of groins through local groin model tests.

  通过丁坝局部模型试验，进一步研究了丁坝冲刷机理。

• It puts forward a new protective measure for the layout of groins aiming at security issues based on that study.

  在此基础上，针对丁坝防护问题，提出了在丁坝坝体布设整流桩这样一种新型的防护措施。

• Research on The General Modeling of Spur- dike Particular Erosion in The Upriver of Fenhe

  汾河上游丁坝局部冲刷概化模型试验研究

• Study of erosion-lessening and siltation-promotion effect for sheet-pile groins under strong tidal estuary

  强潮河口桩式丁坝减冲促淤效果研究

• Experimental study and numerical simulation of flow in the vicinity of a submerged spur-dike

  溢流丁坝附近自由水面的实验研究与数值模拟