首 页
大学试题
CMS专题
工学
经济学
专升本
法学
教育学
历史学
更多分类
搜索
题库考试答案搜索网 > 题目详情
当前位置:
首页
>
论述沉柳缓溜防冲的操作方法。
>
题目详情
问题题干
答案解析
相关问题
热门问题
最新问题
问题详情
论述沉柳缓溜防冲的操作方法。
时间:2021-12-28 19:27
关键词:
工程抢险
河道修防与防冶工
答案解析
<p> ①先摸清堤坡坍塌或被淘刷位置、范围和水深,以确定沉柳位置和数量;<br> ②选用枝多叶茂的柳树头或树枝,用麻绳或铅丝将大块石或土(沙)袋捆扎在树杈上;<br> ③用船将柳树头抛投在指定位置,应从下游向上游、由低处到高处依次抛投,要使树头或树枝依次排列紧密并捆连;<br> ④如淘刷范围大需多排沉柳时,应使后一排树梢叠压前一排树杈,以防沉柳间被淘刷。</p>
相关问题
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
《水利工程设计概(估)算编制规定》将水利工程按工程性质划分为:枢纽工程、引水工程及河道工程。引水工程及河道工程包括()。
河道工程主要包括在河道及河道管护范围内所修建的防洪工程、治河工程和其它()。
最新问题
论述固基护脚防冲所用柳石枕的规格和捆抛操作程序。
论述沉柳缓溜防冲的操作方法。
论述沉柳缓溜防冲措施的具体操作。
Mainly east 3 or 4 partly cloudy to overcast occasional rain()slowly south moderate or good.
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
别人在看