单词：adjustable blade
adjustable blade的用法和样例：
例句
- A machine that runs on the energy generated by a wheel of adjustable blades or slats rotated by the wind.风车靠风力旋转带有可调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 carpenter's tool with an adjustable blade for smoothing and leveling wood.平刨，木工刨具有可以调节的刃，用以刨平或修整木材的木工用具
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