• Hard elastic polypropylene fibre samples were made by melt spinning isotactic polypropylene with melt indexer, followed by fast winding and annealing.

    聚丙烯树脂熔融指数仪上熔融挤出、快速牵伸退火处理,制得了弹性聚丙烯纤维。

    youdao

  • Hard elastic polypropylene fibre samples were made by melt spinning isotactic polypropylene with melt indexer, followed by fast winding and annealing.

    聚丙烯树脂熔融指数仪上熔融挤出、快速牵伸退火处理,制得了弹性聚丙烯纤维。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定