高保真喇叭：采用三层防水保护处理，呈现高品质音质。
High-fidelity speaker: the adoption of three-level waterproof protection offers high quality sound.
产品说明： WEALD多功能钓鱼背心，采用先进的NYLON RIPSTOP三层防水透气面料，携带轻便；
Decription: WEALD multi-functional fishing vest used NYLON RIPSTOP three-layer waterproof and breathable cloth, easy to take.
本发明涉及一种新的具有防水透气透湿功能的微孔膜及三层复合材料及其制备方法与用途。
The invention relates to a waterproof air and moisture permeable microporous film, a three-layer composite material and a preparation method and application thereof.
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