Mechanical defense system is a compound sand damage control measure constituted by straw checkerboard barrier and high sandbreak palisade.
阻沙栅栏的积沙形式因材料及孔隙度的大小而异,阻沙栅栏在初期时,可以拦截较多的沙量(75%),草方格固沙带只承担25%的积沙量,随着时间推移,阻沙栅栏的效益逐渐降低,草方格固沙带则要承担较多的积沙量。
Experimental studies on water intake characteristics of bar-screen type mountain stream diversion works;
栏栅式山溪取水工程取水特性的试验研究
Wind Tunnel Simulation on the Flow Characteristics around Upright Fences
直立阻沙栅栏流场特征的风洞模拟实验
A barrier or an enclosure of fences.
栅栏的阻挡物或围栏
relatively empty of and unobstructed by fences or hedges or headlands or shoals.
相对空而且没有栅栏、篱笆、地畦或者浅滩的阻碍。
A structure serving as an enclosure, a barrier, or a boundary, usually made of posts or stakes joined together by boards, wire, or rails.
栅栏通常用木板、线或栏杆将柱子或桩子绑在一起做成的用作围栏、阻碍物或界限的构造物
To equip or fortify with palisades or a palisade.
用栅栏维护装上栅栏或用栅栏装备或加强
boom defence vessel
布栅栏防御船布栅船
the top rail of a fence or balustrade.
栅栏或栏杆的顶部横杆。
a high fence, forehead, mountain
高的栅栏、 额头、 山
A structure set up across a route of access to obstruct the passage of an enemy.
栅栏，路障，防御横跨地设在进入线路上，用来阻止敌人通过
A screen or fence used to prevent a ball from being thrown or hit far out of a playing area, as in baseball.
场后围栏用于阻止球被投出或打出比赛场地的一种屏障或栅栏,如在棒球比赛中
enclosed by a confining fence.
被狭窄的栅栏围住的。
The yard is fenced in.
院子用栅栏围住了。
miles of whitewashed fences.
绵延几英里的白色栅栏。
put a fence across the middle of the fields
地中间隔上一条栅栏
semipermanent floating oil boom
半永久性的浮动栏油栅
Termites have eaten the posts and mined the fence.
白蚁蛀坏木柱，毁了栅栏。
He propped his bicycle against the ferry.
他把白行车靠在栅栏上。
The fence extended to the meadow
栅栏一直延伸到牧草地。