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- zigzag paper filter 曲折频率响应滤波器
- At present,the main cigarette filtrational material is cellulose acetate tow and PP tow.The development of paper filter tip using sepiolite as cigarette filtrational material is discussed. 目前,卷烟滤嘴材料主要是醋酸纤维丝束和聚丙烯丝束。介绍了以海泡石为卷烟滤嘴材料的纸质滤嘴的开发前景。
- Disposable paper filter housings generally fall into the general framework of cardboard boxes and high strength die hardboard.Pleated filter in the filter materials for metal-lined single screen. 一次性纸框过滤器的外框一般分为一般硬纸框和高强度模切硬纸板,滤芯为打褶的纤维过滤材料内衬单面金属丝网。
- His sooty hand smudged the paper. 他被煤烟熏污的手把纸弄脏了。
- There is a zigzag path up the hillside. 山坡上有一条曲折小道。
- There is a zigzag path in the garden. 花园里有一条之字形的小道。
- Use and Maintenance of an Air Filter with a Paper Filter Element 纸芯空气滤清器的使用与维护
- All its stock in trade is glossy paper backs. 该店的全部现货是光面的平装书。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- The name and address of the firm are embossed on its paper. 商号的名字和地址凸印在信笺上。
- The paper has a wide readership. 该报拥有广泛的读者。
- The boy is daubing a piece of paper with red ink. 那孩子正在用红墨水在纸上乱涂。
- I take a peck at my neighbor paper. 我偷看隔壁的考卷。
- The letter was written on a single sheet of paper. 这封信只用一张纸写成。
- The little girl drew a square on the paper. 小女孩在纸上画了一个正方形。
- The mill where we often labour is a paper mill. 我们经常劳动的工厂是造纸厂。
- That paper has yellowed with age. 那张纸因年代久远而泛黄了。
- To cause to move in or form a zigzag. 使之字形移动,形成之字形
- An embroidery stitch that produces a decorative zigzag line. 羽状绣花针迹绣成之字形装饰曲线的一种刺绣针迹
- The wind twitched the paper out of my hand. 一阵风把我手中的报纸刮跑了。