Magnetic drum Cylinder having a magnetic surface on which to store data.

有磁性表面，可贮存数据的圆筒。

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For longer run applications or wider embossed images, the image, which is now a relief pattern, is copied from the shim and reproduced onto a custom embossing cylinder or drum.

不再运行的应用程序或更广泛的浮雕图像，图像，这是现在一个浮雕图案，是从垫片复制和转载到一个自定义的压花缸或桶。

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The drum scanner gets its name from the clear acrylic cylinder, the drum, on which the original artwork is mounted for scanning.

滚筒扫描仪的名字从明确压克力缸，鼓，而原来的艺术品安装进行扫描。

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Above the central mass sits the cubic base of the bell tower, which in turn rises solidly as a cylinder, then a drum capped by the dome.

WSJ: Prim Grandeur, Elegant Geometries | Charles Bulfinch | Lancaster Meetinghouse | By John Wilmerding