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玻纤管的选购技巧-玻纤管的清洁与保养-沙沙资源网

玻纤管的选购技巧-玻纤管的清洁与保养

点火一烧,很直观也很管用。原料中混合了回收塑料和其他杂质的玻纤管会冒黑烟,有刺鼻气味;好的材质燃烧后不仅不会冒黑烟、无气味,燃烧后,熔出的液体依然很洁净。

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