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.
配装高耐磨的刀板，精铸斗齿，提高了铲斗的使用寿命。
Quenched internal cutting edge bucket and tooth, more strength and high durability.
包装行业：雕刻印刷橡胶板、塑料板、双层板、刀模切刀板等。
Packaging industry: printing rubber plate engraving, plastic plates, double plates, die cutter cutting board.
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