产品作用：子弹型轮廓设计，表面光滑，具有较强减噪功能，防污处理，安全卫生。
Functions: bullet-like outline design, smooth surface, strong noise reduction function, antifouling treatment, safety and healthy.
产品作用：子弹型轮廓设计，表面光滑，具有较强减噪功能，防污处理，安全卫生。
Functions: bullet-like outline design, smooth surface, strong noise reduction function, antifouling treatment, safety and healthy.
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