一个重大的发明是可调节的支柱，通过改变刀板与横梁的距离来精确地设置犁的深度。
A major invention was the adjustable strut that could precisely set the depth of the plow by altering the distance of the blade and the beam.
第一次冲击可调麦克弗森支柱上使用他们的蝎子飞秒横卧三轮车前轮。
For the first time adjustable McPherson shock struts are used on the front wheels of their Scorpion fs recumbent tricycle.
其中一个重大的发明是可调节的支柱，通过改变刀板与横梁的距离，可以精确地设置犁的深度。
A major invention was the adjustable strut which, by altering the distance of the blade and the beam, could precisely set the depth of the plow.
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