The researchers then staged an “incident” in which the camp’s water supply was cut off and all the boys had to check the water pipe (more than 1 km long) to see where it was blocked.
研究人员接下来安排了一个“事故”，他们切断了营区的供水。所有的男孩子都要去检查水管（长度不止1公里），看看是不是有哪里堵住了。
Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cut off from the main pipe and throttle with.
进口蝶阀是指通过阀轴旋转来带动一个圆盘形的蝶板的转动，达到开启与关闭的一种阀门，在管道上主要起切断和节流用。
It can change the flow and cut off gas medium in the pipe by the different control signal.
对管道中气体介质按不同控制信号调节流量大小和切断。
The valve gate will cut off medium and be in the sealed state when the butterfly disc moves to the vertical place with pipe axis.
当蝶板运行到与管道轴线相垂直时，阀门即切断介质处于密封状态。
This article is an introduction of a new typed stopping valve powered by cylinder which controls the open-on and cut-off of a pipe.
介绍了以气缸为动力源控制管路通断的新型截止阀。
For the ram compaction piles with composite bearing base, the speed of drawing pipe must be controlled, so as to avoid the gapping or the cut-off.
在复合载体夯扩桩的施工过程中，一定要控制好拔管速度，以免出现缩颈或断桩现象。
HGJ-800 pipe cut-off machine, which is used in a long-pipe hot rolling line, and can short cut-off time and has less pollution and safer working, is described.
介绍一种适于热轧长钢管生产线使用、锯管时间较短、环境污染小和使用安全的HGJ- 800型钢管锯断机。
HGJ-800 pipe cut-off machine, which is used in a long-pipe hot rolling line, and can short cut-off time and has less pollution and safer working, is described.
介绍一种适于热轧长钢管生产线使用、锯管时间较短、环境污染小和使用安全的HGJ- 800型钢管锯断机。
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