An analysis method is suggested for the data obtained in the check of buried pipeline locations in order to evaluate the detection quality of pipeline location in whole detection area.
在对隐蔽管线点抽样检查获取的数据分析中 ,提出了一种分析方法 ,以求全面准确地评估整个检测区域的隐蔽管线点的探测质量。
The significance of concealed work,the main forms of concealing,causes of problems concerning concealed work,as well as means dealing with them are expounded.
阐述隐蔽工程的重要性,工程隐蔽的主要形式,工程隐蔽容易出现问题的原因,以及搞好隐蔽工程的一些做法。
Through the numerical simulation,the internal flow fields of jet pump are calculated under the condition of different throat lengths and the optimal sizes of throat are obtained.
通过数值仿真,分别计算了具有不同喉管长度的喷射泵内部流场,并经过分析确定了喷射泵的最优喉管尺寸,计算数据和试验数据对比非常接近,证明了数值仿真结果是合理的、可信的。
This paper presents ample experimental data which show that the improvement ofwater-jet pumps from short throats into long ones costs a little work and expense and the im-proved throat is efficient and energy-saving.
本文从理论方面阐述和用实验数据证实,长喉管射水抽气器效率高,能耗低,并指出改进短喉管射水抽气器工作量不很大,花费不多,见效快,效益显著。
No packer is installed at the bottom end of the jet pump within which a group of nozzles and throat diffusers are installed.
该冲砂泵利用水力喷射泵没有运动件这一优点,依靠动力液与地层液的能量转换进行工作,动力液与混砂液沿着油管中心孔返出地面,喷射泵底端不安装封隔器,喷射泵内部装有1组喷嘴和喉管扩散器,同时实现进口、出口和吸入口有效结合,并配套双级管柱等其他工艺来实现低压漏失井的冲砂作业。
hidden determinant
【免疫】隐蔽决定簇
implicit reinforcement
隐蔽的强化作用 隐蔽的增强作用
belt with a concealed section for holding money.
一种隐蔽的装钱的带子。
having a covert or special meaning.
有隐蔽而特定意味的。
recessed sprinkler syste
半隐蔽型喷水灭火系统
The guerrillas were enshrouded in the sorghum fields
游击队隐蔽在高粱地里。
a meeting-place, birthplace, hiding-place, etc
会面地点、 出生地、 隐蔽所
Behavior proceeding from hidden motives.
源于隐蔽动机的行为
He was making no attempt to take any cover.
他并不想找地方隐蔽。
The place is favourable to concealment.
这是容易隐蔽的地方。
The tall grass screened the enemy's movements.
草丛隐蔽了敌人的活动。
They camouflaged in bushes.
他们隐蔽在灌木丛中。
Isn't this a splendid hide-out?
这地方隐蔽极啦，可不是？
arrested by the police who had been lying in wait
被隐蔽埋伏的警察捕获.
To keep oneself out of sight.
隐蔽藏在看不见的地方
bomb-proof shelter( for submarines)
（潜艇用的）防空隐蔽坞.
A machine gun opened up from a concealed position.
机枪从隐蔽阵地开火。
Blind and explanatory Undo
隐蔽撤销和解释性撤销