double-layer filter

常见例句

双语例句

• The utility model has the advantages of effective filtering and washing combination, double-layer sieve filter, simple structure and high filtering quality.
  本装置过滤与冲洗有效结合、双层筛滤、结构简单、过滤质量高、适用范围广。
  ip.com
• The face mask consists of double-layer non-woven cloth in which filter layer, nose bridge bar and face mask belt is set, or is made of multi-layer medical absorbent gauze.
  口罩由双层无纺布中间夹过滤层、鼻梁条和口罩带构成，或由多层医用脱脂纱布经缝制而成。
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