The solvent effect on the preparation of PVA film by low speed spin machine was studied by using AFM and XRD.

本文采用原子力显微镜和X射线粉末衍射仪研究了PVA溶液旋转涂膜的溶剂化效应。

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The mechanism of High speed spin drawing for manufacturing copper inner fin tube is studied systematically, especially the process and parameters of inner fin formation arc analysed.

对内螺纹理片铜管的高速旋压拉伸成形加工机理进行了系统研究，分析了加工过程及参数。

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On the descents, cyclists spin past cars, freewheeling downhill at tremendous speed.

在下坡道上，自行车手们飞快地掠过汽车，靠惯性极速冲下山去。

《柯林斯英汉双解大词典》

Instead, his big ideas have come and gone with the same bewildering speed as his spin doctors.

ECONOMIST: Man overboard

As the water flows downhill, it picks up the speed necessary to spin the turbines in the powerhouse and create electricity.

FORBES: Hydroelectric Revolution: A River Runs Through It

Mobile Fluid Recovery then used a massive high-speed drum to spin out all the absorbed oil and waste water from the booms.

FORBES: Oil-soaked Booms From Gulf Find New Use in Chevy Volt