扳手一种有固定或<em>可调</em>整的钳口的手用或机械工具，用来咬合、转动或扭转如镙钉、镙铨或管子的物体
Any of various hand or power tools with fixed or adjustable jaws for gripping, turning, or twisting objects such as nuts, bolts, or pipes.
挡板，调节风门一种<em>可调</em>节的薄片，如在熔炉或火炉的通气管中的，用来控制气流
An adjustable plate, as in the flue of a furnace or stove, for controlling the draft.
风车靠风力旋转带有<em>可调</em>节的叶片或梯级横木的轮子所产生的能量来运转的一种机器
A machine that runs on the energy generated by a wheel of adjustable blades or slats rotated by the wind.
