New anodize grade aluminium (more difficult for machine turning) is tested, so we can have more colors for metal piston system.
铝活塞改变可阳极处理级的铝材(较难车削)，看看可能的部份新颜色。
New anodize grade aluminium (more difficult for machine turning) is tested, so we can have more colors for metal piston system.
铝活塞改变可阳极处理级的铝材(较难车削)，看看可能的部份新颜色。
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