所述的高效低阻复合过滤材料，由至少一层熔喷过滤材料与一层玻璃纤维过滤材料复合而成。
The high-efficiency and low-resistance composite filter material is formed by the composing of at least a layer of fusing spray filter material and a layer of fibreglass filter material;
所述的高效低阻复合过滤材料，由至少一层熔喷过滤材料与一层玻璃纤维过滤材料复合而成。
The high-efficiency and low-resistance composite filter material is formed by the composing of at least a layer of fusing spray filter material and a layer of fibreglass filter material;
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