Suggestion: pump shaft or protective set of surface hardness to achieve 60hrc.
建议：泵轴或防护套的表面硬度要达到60hrc。
The durable, efficient, self-sharpening, protective, non-black surface, the high finish.
该产品耐用、高效、自锐、防堵、工件表面不发黑、光洁度高。
Create a non-occlusive, protective film on the skin's surface, provide skin with comfort.
在皮肤外表构成一层非闭塞、维护性薄膜，使皮肤觉得舒服。
Create a non-occlusive, protective film on the skin's surface, provide skin with comfort.
在皮肤外表构成一层非闭塞、维护性薄膜，使皮肤觉得舒服。
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