And as the polar, a year only black and white and two days, such as the equator line, a year only the rain season two, a dry time be spun, fatigue and hopelessness became theme.
而如南北极，一年只有黑白两天，如赤道线，一年只有雨旱两季，时光一被拉长，疲劳和无望便成了主题。
The reasons for tar formation from polyacrylonitrile-based carbon fiber were analyzed from the structure and the production line, from as-spun fiber, pre-oxidation to carbonization.
根据聚丙烯腈基碳纤维生产工艺路线，从原丝、 预氧化、碳化工艺及结构上分析了聚丙烯腈基碳纤维焦油形成的原因。
It will improve the quality of short ribbon spun on the silk spinning line.
在绢纺线上纺制短麻条可提高麻条质量。
It will improve the quality of short ribbon spun on the silk spinning line.
在绢纺线上纺制短麻条可提高麻条质量。
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