In the initial stage of learning sketch, you need to practice drawing cylindrical and spherical objects over and over.

学素描的初期需要反复练习画圆柱和球形物体。

Find a cylindrical container for pencils.

找一个圆柱形的容器用来装铅笔。

There is a water pump and a pressure gauge under each cylindrical box.

每个圆筒盒子下面都设有一个水泵和一个压力表。

It is cylindrical in shape.

它是圆柱形的。

Arranged in a roughly cylindrical pattern.

以一个圆柱形的模式排着。

It was an ideal wave, smooth and cylindrical.

这是个非常理想的波浪，平滑呈圆柱形。

Actually, that's the same with cylindrical coordinates.

事实上，柱坐标中也是如此。

The millimeter-wave machine is grayish-white and is more cylindrical.

而毫米波扫描仪则是灰白色的，有些像圆柱形。