Wipe the drawing off the blackboard before the teacher sees it.
在老师看到之前，先把黑板上的图画擦干净。
Note that drawing off screen (outside of the bounds defined by size) is not illegal, but simply ignored.
请注意，超出屏幕边界(size定义的边界外)画线并非不允许，只是被忽略了而已。
The company has managed to thread a long, thin tube into the broken pipe, but that is only drawing off a fraction of the flow.
该公司已把一根长而细的软管塞进断裂的立管里，但这只能抽吸微量漏油。
The auto start up, auto-shutdown, auto-sampling and drawing off are realized by means of expert control.
采用专家式控制实现了系统的自动开车、自动停车、自动取样及排料等功能。
This paper analyzes the type of drawing off water in goaf, introduces the technology of it at different goaf, and provides the methods of solving the existing questions.
分析了采空区探放水的类型，并对不同情况下的采空区水探放技术进行了介绍，对存在的问题提出了解决方法。
This paper analyzes the type of drawing off water in goaf, introduces the technology of it at different goaf, and provides the methods of solving the existing questions.
分析了采空区探放水的类型，并对不同情况下的采空区水探放技术进行了介绍，对存在的问题提出了解决方法。
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