在地中海区域的早期文明中，拱形结构主要被运用在地下排水管上，但在地上建筑中首先发展并广泛使用拱门的是罗马人。
The arch was used by the early cultures of the Mediterranean area chiefly for underground drains, but it was the Romans who first developed and used the arch extensively in aboveground structures.
你不会真的把人拷在水管上吧？
在冷水进水管上安装一个关断阀。
有只蜘蛛在水管上奋力不懈往上爬升。
有只蜘蛛在水管上奋力不懈往上爬升。
这些他们所谓的“会飞的马桶”常常落到开裂的水管上。
These “flying toilets”, as they are called, often land on fractured water-pipes.
循环水泵的进水管和出水管上也应装压力表。
Circulating water pump inlet pipe and outlet pipe should also install pressure gauge.
为什么把胶水盖盖到胶水管上的时候胶水不会把它们粘在一起？
How come when you close a glue cap the glue sticks but this same paste does not stick to the sides of the glue tube?
太空组员有个别的小便漏斗接到水管上，尿会存放在废水桶中。
Crew members also have individual urine funnels which are attached to hoses, and the urine is deposited into a wastewater tank.
应首先切断电源，并将手放在水管上一会儿，以放掉自身静电。
Should first cut off the power supply, and water pipes on hand on a moment to release its own static.
其特征是在传统热水器混合水管上接入一个温 泉制剂供给器。
The invention is characterized in that mixing tube of traditional water heater connects with hot spring preparation supplier.
水箱底部连接有回水管，回水管上装有回水阀并且和蒸汽管连通。
The bottom of the water tank is connected with a water return pipe which is provided with a water return valve and is communicated with the steam pipe.
中水出水管上设有延时放水阀，中水 出水管与马桶进水口连通。
A time-delay drain valve is arranged on the reclaimed water outlet pipe, and the reclaimed water outlet pipe is communicated with the water inlet of a closestool.
铺设在小水管上的甲板是36块6x2英寸的木板，每块的长度也是40英尺。
For our deck on top of the smaller pipes we have 36 planks of six by two timber, each totalling 40ft in length.
他会看到玫瑰花绕在水管上，或者是看到在桑树枝头上使劲啄食的小鸟。
He saw roses winding about the rain spout; or mulberries-birds gorging in the mulberry tree.
水管上部到电极的同心线确保了更好的冷却较长寿命易损件并提高切割质量。
Concentric line up of water tube to the electrode ensures better cooling for longer electrode life and improved cut quality.
然后在湖面上乘挂在排水管上找到的小绿车。 仔细听湖面墙上的收音机播放的歌曲。
You will need to listen to the song that the radio on the lake floor wall is laying.
凯尔维姐妹俩一直跑到看不见耐尔家才停了下来，她们跌坐在路边红色的大水管上休息着。
When the Kelveys were well out of sight of Burnells', they sat down to rest on a big red drain-pipe by the side of the road.
在洗衣机的冷热水给水管上安装管径合适的水锤消除器将吸收快速关闭阀引起的水锤撞击。
A properly sized water hammer arrester placed on the cold and hot water supplies to the washing machine will absorb the shock as caused by quick closure devices.
可通用的耐磨衬板，可翻转的搅拌叶片。注水喷嘴分布在环形水管上，检查孔方便检查和维修。
Interchangeable wear resistance linings, Reversible mixing blades, Water distribution ring with spray nozzles, Inspection covers for easy cleaning and maintenance.
这个滚动草坪洒水器很棒的地方就是，在橡胶水管上它通过利用水的压力来推动自身尽最大可能的浇灌您的花园。
What's cool about this rolling lawn sprinkler is that it harnesses the power of water pressure to propel itself forth on the garden hose and get about the business of watering your garden.
单侧进水的汽包配水管布置简单，并减少了汽包上的开孔数量，配水管上采用变节距分配孔以保证汽包长度方向上的均匀分流。
One-side arrangement for feed water pipe on drum is simple and the quantity of orifices on drum decreases, it adopts variable pitches in multi-orifices distributing pipe to balance water flow.
高层建筑消防给水系统安全阀的定压值通常根据系统工作压力按经验法计算，但这种方法仅适用于安全阀设置在消防水泵出口压水管上的情形。
The calculation of constant pressure values for relief valves in the fire suppression systems of high-rise buildings usually is based on the working pressure of pipe systems by experience.
混流式水轮机在非设计工况点下运行时，尾水管内部的非定常流动是由死水域和螺旋涡带的动态行为引起的，尾水管上部的螺旋涡带旋转引起流动的基频脉动。
The unsteady flow in a draft tube of Francis turbine under the off-design operation is produced by the dynamic behavior of a helical vortex rope with the dead core.
拖链，一般应用在机床机械等的电缆、油管、气管、水管、风管上，起牵引和保护作用。
Drag chain, normally used in machine tool machinery and other cable, tubing, the trachea and conduit, air ducts, with traction and protection.
所述的第一固定件为可勾挂 于浴室中原有出水管或角管上而使固定杆悬空的吊挂件。
The first built-in fitment in describing is hang fitment that can mount on a bathroom the old outlet pipe or tube angle to make fixed pole hanging.
所述的第一固定件为可勾挂 于浴室中原有出水管或角管上而使固定杆悬空的吊挂件。
The first built-in fitment in describing is hang fitment that can mount on a bathroom the old outlet pipe or tube angle to make fixed pole hanging.
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