One New Caledonian crow, called Betty, bent some straight wire into a hook and used it to lift a small bucket of her favourite food from a vertical pipe.
一只名叫贝蒂的新喀里多尼亚乌鸦把一根笔直的铁丝咬成一个弯钩，用它把一小桶她最喜欢吃的食物从一根垂直的管子里吊了出来。
Further analysis indicated that external copper pollution was the major cause of the crack in the bent pipe.
进一步分析，认为外来铜污染是引起弯管开裂的主要原因。
The nozzle and the nozzle body in the invention are simple in structure, can accurately position the recycling bent pipe, and are convenient as well as quick for disassembling and assembling.
本发明中的喷头和喷头体，其结构简单，能使回收弯管的定位准确，且拆装方便快速。
The utility model solves the problem that the traditional rocker arm type water conveying pipe can not be bent.
解决了传统的摇臂式输水管不能弯曲的问题。
The shears can be used for activities like cutting bent or broken riser, shearing pipe or clearing an area to prepare for capping stack activities.
液压剪也可用于切割弯管、切断隔水管、剪切钻杆，并为其他应急封井作业清理空间。
The pipe quick coupling port structure has the advantages of high installation efficiency and high sealability in the coupling of such special pipes as straight pipes, bent pipes, T-joints and so on.
在直插管道与弯管、三通等异形管件的相互联接中，具有安装效率高、密封性能好的优点。
The upper end of the involution suction pipe is bent downwards to form an Angle, and the Angle is preferentially 45 degrees.
所述回旋型吸管的上端向下折弯成一角度，该角度优选为45度。
During the production of ERW steel pipe mill, the size of steel of strip hard bent influences the running of pipe welder and the quality of the pipe.
在ERW焊管机组生产中，带钢的硬弯大小直接影响焊管机组的正常运行及焊接钢管的质量。
The bent pipe makes the flow field of impeller inlet strongly disordered.
与无弯管相比，弯管造成叶轮进口的流场紊乱。
The cold-bent pipes with different diameters must be equipped with the pipe-bending dies matching with them.
不同管径的冷弯管需配置与之匹配的弯管模具。
This paper introduces the producing and technology characteristics of the square and rectangular double-welded seam pipe. And designing of the pass parameters of the cold-bent channel steel.
介绍了双焊缝方矩形钢管生产技术的特点及冷弯等边槽钢孔型设计参数。
This paper introduces the producing and technology characteristics of the square and rectangular double-welded seam pipe. And designing of the pass parameters of the cold-bent channel steel.
介绍了双焊缝方矩形钢管生产技术的特点及冷弯等边槽钢孔型设计参数。
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