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NYLONRIPSTOP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.
HYVAT是一种特殊的三层绝缘面料，具有防水，防风，保暖，快干，透气等特点，是军用服装的首选面料之一。
HYVAT is a special three insulation fabrics waterproof, windproof, warmth, drying, breathable characteristics, is military apparel preferred fabrics one.
第三层是层非常薄、紧密的结构以增强防水。
The third layer has a very thin, dense structure that increases water resistance.
货物必须用非常结实的出口专用三层航海防水纸箱包装，而且封口板须搭接密封。
If two or more steaks are packaged together, they should be separated by two sheets of plastic or moisture resistant paper.
货物必须用非常结实的出口专用三层航海防水纸箱包装，而且封口板须搭接密封。
If two or more steaks are packaged together, they should be separated by two sheets of plastic or moisture resistant paper.
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