1) surface outlet
表孔
1.
Design of step-overflow surface of surface outlet on RCC gravity dam for Dachaoshan Hydropower Station;
大朝山水电站碾压混凝土重力坝的最大坝高为111m,设计洪水位为899m(500年一遇),此时,表孔下泄的设计流量为9992m3/s,堰顶设计单宽流量为132。
2) surface hole
表孔
1.
There are 23 permanent flood discharge deep holes,22 surface holes and 22 temporary diversion flood discharge bottom holes.
三峡大坝在运行期和施工导流期要求的泄洪能力分别达100 000m3/s和70 000m3/s,设有永久泄洪深孔23个、表孔22个,导流底孔22个。
2.
Due to its narrow valley, high dam and big discharge, on the basis of many alternatives comparison and selection at different design stages, we decide to use 5 crest overflow surface holes for energy dissipation, 6 middle holes in the dam body, one spillway tunnel at left bank, plunge pool and plunge pool dam behind the dam, 2 escape bottom holes in the dam body.
小湾工程河谷窄、坝高、泄量大,经各设计阶段的多方案比选研究,泄洪消能布置采用5个坝顶溢流表孔、6个坝身中孔和左岸一条泄洪洞,坝后设水垫塘和二道坝,坝身设2个放空底孔的泄洪建筑物布置方案。
3) spillway
[英]['spilwei] [美]['spɪl,we]
表孔
1.
The flood discharging structures of the dam to be studied include 7 openings of spillways and 8 midlevel outlets.
为了研究分流齿坎对水舌形状和水垫塘底板冲击压力的影响,在七表孔八深孔的泄洪拱坝模型试验中,对采用大差动带分流齿的溢流表孔的水舌形状和水垫塘底板冲击压力进行对比性试验。
2.
Monitoring observation localization for Geheyan Project in 1998 flood season was the deep outlets,the surface spillway,the still basin and auxiliary energy dissipators.
1998年汛期隔河岩水利枢纽观测部位为深孔、表孔及消能工。
4) upper outlet
表孔
1.
without upper outlets, with three upper outlets, and with three upper outlets and a horizontal beam and piers, are calculated and compared.
采用有限单元法计算并比较了薄碾压混凝土双曲拱坝在坝身无孔、设表孔以及设表孔的同时又增设水平梁和闸墩三种情况下的坝身应力分布。
6) surFace sealing
表面封孔
补充资料：第二孔(继发孔)型缺损
第二孔(继发孔)型缺损
ostium secondary defect
是心房间隔在形成上发生障碍，一般缺损较大，多在卵圆孔附近称第二孔(继发孔)型缺损。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条