管道和设备的保温材料、消声材料和粘结剂应为不燃烧材料或难燃烧材料。
Insulation materials of pipe and equipment, muffler materials and adhesives should be noncombustible material.
可根据所需的质量和进行按摩的鞋材来调节按摩装置的旋转速度采用消声材料，在按摩过程中噪音非常小。
Hammering device speed rotation adjustable according to the quality requirement and material to be processed. Very low noise level thanks to soundproof material cabin.
一个不锈钢排气管消声器连接到修订，使用长纤维包装材料，最大限度地提高服务间隔。
A stainless steel exhaust pipe connects to the revised silencer, which USES long-fiber packing material to maximize service intervals.
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