英德
有道
百度
谷歌
图片
维基
百科
上闸首 [shàng zhá shǒu]
[水利] head bay
- 对三峡升船机上闸首下沉式工作闸门布置进行研究。
The layout of upper head with lowering working gate of Three Gorges ship lift is studied. - 通过新坝船闸施工实践，介绍了船闸上闸首输水廊道施工及预防裂缝产生所采取的措施。
In combination with the construction practice of Xinba Lock, this paper introduces culvert construction of tile Lock's upper lock head and preventive measures for cracks. - 三峡工程连续五级船闸上闸首人字门液压直联式启闭机1∶20物理模型试验研究表明，建立的伺服式液压启闭机及其计算机控制系统，在模型试验中可实现各种变速运行方式；
Presented in this paper are the research results of the physical model (1∶20) test on the headstock gears of miter gates in Three-Gorge Ship Locks.
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