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单词 Staircase locks
释义

Staircase locks

原声例句
海底两万里-Twenty Thousand Leagues Under The Sea

Man uses his right hand more often than his left, and consequently his various instruments and equipment (staircases, locks, watch springs, etc.) are designed to be used in a right–to–left manner.

人类使用右手的频率多于左手,因此他的各种仪器和设备(楼梯、锁、手表弹簧等)被设计为以从右到左的方式使用。

中文百科

船闸 Lock (water navigation)

(重定向自Staircase locks)
在英格兰的运河闸。
在荷兰 Grave 市的运河堰和闸混合体。
在加拿大安大略湖的en:Trent-Severn Waterway船闸。
运河船闸的操作进程:1-3. 小船驶入空的船闸;4.  底部船闸关闭,底部 paddle 关闭,顶部 paddle 开启,船闸开始注水;5.  船闸在注水中,正在提升小船到较高的水平面。

船闸(navigation lock),使船舶通过航道中有集中水位落差河段的一种通航建筑物。船闸由闸室(lock chamber)、闸首(lock head)、输水系统、引航道等组成。在闸首上设有工作闸门、检修闸门、船闸阀门、启闭机械及信号、通讯等设备。引航道内设有导航建筑物和靠船建筑物等。

船闸的闸室是固定在一个位置,用注入或排除水来控制闸室内的水位高度;这不同于直接运载船只升降的活动沉箱(caisson lock),垂直升船机(boat lift)、倾斜升船机(canal inclined plane)。如三峡大坝垂直升船机就是在一个3万多吨的大水箱内承载船舶,整个水箱被垂直升降。

英语百科

Lock (water navigation) 船闸

(重定向自Staircase locks)
Canal lock and lock-keeper's cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Hertfordshire, England
Lock on the River Neckar at Heidelberg in Germany
Three gorges dam lock near Yichang on Yangtze river, China
A pound lock on the Keitele-Päijänne Canal at Äänekoski in Central Finland

A lock is a device used for raising and lowering boats, ships and other watercraft between stretches of water of different levels on river and canal waterways. The distinguishing feature of a lock is a fixed chamber in which the water level can be varied; whereas in a caisson lock, a boat lift, or on a canal inclined plane, it is the chamber itself (usually then called a caisson) that rises and falls.

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更新时间:2025/6/17 4:35:35