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单选题 The most widely used natural fibers are
学科：纺织英语（Textile English）
时间：2024-09-27 04:33:36
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题目1单选题
<img src="https://tihai-oss-cloud.itihey.com/img/b4aed404180f0e18d5d5ace1b1f185bb.png">the crosssection of silk fiber may influence which property of the fiberA. densityB. lusterC. moisture regainD. elastic recovery
题目2单选题
The lenth-to-width is at least more than ( )A. 1B. 10C. 100D. 1000
题目3单选题
If the fiber number is 0.2tex, what about the value in Denier systemA. 0.1DB. 1.8DC. 9DD. 0.9D
题目4单选题
The definion "force per unit linear density of the unstrained specimen" refers toA. cohesivenessB. specific gravityC. densityD. tenacity
题目5单选题
which fiber has a higher density? choose the biggest oneA. cotton fiberB. glass fiberC. nylonD. polyester
题目6单选题
The most widely used natural fibers areA. woolB. silkC. linenD. cotton
题目7单选题
Which fiber has the highest moisture regainA. cottonB. ramieC. polyesterD. spandex
题目8单选题
Which fiber has the lowest moisture regainA. cottonB. polyesterC. woolD. polypropylene
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