The drum also contains the photoconductor supply and takeup spools.

鼓还包括光电导体电源和提升卷轴。

As I opened the scroll, a panorama of the Yellow River unfolded.

我打开卷轴时, 黄河景象展现在眼前。

Ovalisation at maximum bending strain in the small scale reeling tests was not measured.

在小型卷轴测试中大弯曲应变成椭圆是没有规则。

Cinching: Practice of pulling the end of a roll to tighten it. It's not recommended.

拉胶片使其在卷轴上绕紧动作。般不建议使用这种方式。