难检字字典在线查询

汉语拼音：yì hóng dào

水库构筑物的防洪设备，多筑在水坝的一侧，像大槽子。当水库的水位超过安全限度时，水就从溢洪道向下游流出。

• The section size of the tunnel spillway of is 14.

  洪家渡水电站洞式溢洪道的断面尺寸为14.

• The phenomenon is ubiquitous concrete cracks appear in pier of RC structure.

  水库溢洪道钢筋混凝土闸墩出现裂缝的现象普遍存在.

• Dongfeng hydropower station is open ski spillway.

  东风水电站溢洪道为明流滑雪式溢洪道.

• The control section of spillway is the key section to curb the water flow.

  溢洪道控制段是控制水流下泄的关键部位.

• The stepped spillway is interested by engineers due to its excellent function of energy dissipation aerification.

  台阶式溢洪道因其显著的消能、掺气效果而倍受工程界的关注.

• The concrete placement for spillway and overflow weir at Dongba Hydropower Station employs light type formwork.

  洞巴水电站溢洪道溢流堰的混凝土浇筑使用轻型桁架模板.

• Under the condition of ski - jump energy dissipation, scour hole deviated axis threaten project security.

  弯曲溢洪道受弯道折冲水流产生冲击波影响,在挑流消能条件下冲刷坑偏离轴线,威胁工程安全.

• The water - wing always appears when discharge on steep slope stepped spillways is smaller.

  水翅是陡坡台阶式溢洪道在流量较小时出现的一种水流现象.

• The energy dissipation rate is 40 to 70 % higher than that of the spillway.

  在试验范围内,台阶式溢洪道与光滑溢洪道比较,消能率可以提高40%~70%.

• The energy dissipation rate is 40 to 70 % higher than that of the skimming spillway.

  在试验范围内,台阶式溢洪道与光滑溢洪道比较,消能率可以提高40%~70%.

• There are two flow forms in the stepped spillways, which are skimming flow and jet flow.

  研究表明台阶式溢洪道的水流流态可以分为跌落流和滑行流两种流态.