... nonrotational hydraulic jar 非旋转式水力振击器 non-rusting steel 不锈钢 non-salient pole alternator 隐极交流发电机 ...
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High-carbon steel mixing blade, extremely tough, non-rusting, non-passive, long life.
高碳钢搅拌刀片,坚韧无比,不生锈,不钝化,寿命超长。
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