navigation lock

基本解释

The project comprises the construction of a 101 m high concrete gravity dam, spillway, powerhouse and navigation lock.
项目具体内容包括：（1）建设一座101米高混凝土重力坝、泄洪道、厂房和船闸；
After 6 years operation of the Three Gorges navigation lock, rich experiences in operation, management, maintenance, repair and improving the capacity have been accumulated.
三峡船闸通航6年来，在运行管理、设备设施维护检修和提高通过能力等方面积累了较为丰富的经验。
The paper studies the influence of solid mass and permeable structure of navigation lock guidance structure to navigation flow condition based on integral model test of power and navigation complex.
本文基于某电航枢纽整体模型试验，研究船闸导航建筑物实体和透空结构型式对通航水流条件的影响。

The app can run in the background, and your lock screen wallpaper even turns into the current navigation step, so you won't be tempted to touch your phone and unlock the screen.
ENGADGET: iOS 6 review Mobile

船闸
The miter gate is adopted most widely in navigation lock, whose design is burdensome and heavy.
人字门是船闸闸门最常用的形式，其设计复杂，任务繁重，出图量大。
土木建筑工程
船闸
通航船闸