第五章测试
1. Which of the following materials belongs to non-woven fabrics? ( )
A:dress fabric B:non-woven thermally bonded lining C:cardigan D:sewing thread
答案:B
2. The dry laid process of web forming can be divided into ( ).
A:air laid B:carding C:liquid-laid D:polymer-laid 3. Non-woven materials are classified according to their web forming methods, including ( ).
A:spinning B:dry-laid C:wet-laid D:polymer-laid 4. From the perspective of classification of non-woven materials, which of the following does not belong to the web bonding method? ( )
A:ultrasonic bonding B:electrostatic method C:chemical bonding D:hydroentangling 5. Which of the following are web bonding methods for producing non-woven materials? ( )
A:hydroentangling B:thermal bonding C:needle punching D:stitch bonding E:chemical bonding

温馨提示支付 ¥3.00 元后可查看付费内容,请先翻页预览!
点赞(7) dxwkbang
返回
顶部