1) vertical drop and lateral sudden enlargement
突扩跌坎
1.
An aerator with vertical drop and lateral sudden enlargement form is tested in laboratory for the Three Gorges Projects (TGP) outlets.
通过水工模型试验研究，对三峡工程泄洪深孔采用突扩跌坎式掺气，比较了明槽坡度、挑坎高度、侧向折流器型式、出口反弧半径，以及通气孔型式和位置等因素，以优化掺气设施，保证在施工导流期及正常运行期各级库水位下（１３５～１７５ｍ）均能形成稳定空腔，达到掺气减蚀的目的。
2) sudden enlargement and bottom drop types
突扩跌坎体型
1.
Hydraulics experiment study of Jiudianxia discharge tunnel s sudden enlargement and bottom drop types;
九甸峡泄洪洞突扩跌坎体型的水力学试验
3) projected drop sill slot
突扩跌坎门槽
4) sudden enlargement and sudden drop
突扩突跌
1.
Prototype observation on aerator with sudden enlargement and sudden drop device for Xiaolangdi Water Control Project;
小浪底2号孔板洞中闸室突扩突跌式掺气设施原型观测研究
5) step-down floor
跌坎
1.
Experimental study on hydraulic characteristics of underflow for energy dissipator with step-down floor;
跌坎型底流消能工水力特性的试验研究
2.
Study on stilling basin with step-down floor for energy dissipation of hydraulic jump in high dams;
跌坎型底流消力池的水力特性与优化研究
3.
The flow pattern s evolvement of the stilling basin with step-down floor for energy dissipation of hydraulic jump is analyzed.
现对跌坎式底流消能工消力池内水流流态的演变进行了初步分析,随着入池能量的变化,消力池中会产生混合流、淹没混合流、淹没底流以及远驱底流流态。
6) shape of sudden lateral enlargement and vertical drop
突扩突跌体型
1.
Evolvement characteristics of zones of negative pressure along sidewall of discharge structure with a shape of sudden lateral enlargement and vertical drop;
突扩突跌体型侧墙负压区的演变特征
补充资料：跌跌挞挞
1.象声词。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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