In those days, to make a call, you had to wind a handle at the side of your telephone.
那些日子你要打电话就得转动电话机旁的手柄。
In those days, to make a call, you had to wind a handle at the side of your telephone. This produced enough electricity to make your call.
那时,你要打电话就得转动电话机旁的摇柄,才会产生足够的电供你打电话。
‘If you’re going to loft a helium balloon to 20km you’d need have to have a very good handle on what the wind is doing at these elevations.’
如果你要在20公里的高度使用氦气球,你必须能很好的处理在那样的海拔高度的风的影响。
All panels are impact tested and rated to handle excessive wind loads. Shutters can be made hurricane ready in a matter of a few minutes per panel.
所有面板均通过冲击试验,能抵抗极端大风。面板专为防暴风雨设计,每个面板只需几分钟即可待用。
All panels are impact tested and rated to handle excessive wind loads. Shutters can be made hurricane ready in a matter of a few minutes per panel.
所有面板均通过冲击试验,能抵抗极端大风。面板专为防暴风雨设计,每个面板只需几分钟即可待用。
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