弹筒的英文：
helical magazine

Side and face milling cutters with double alternate helical teeth with carbide tips
硬质合金错齿三面刃铣刀

Helically wound multi-filar cables and braids now predominate.
多股绞绕与编织在当代是占优势的。

End mills with brazed helical hardmetal tips--Part 1: Dimensions of end mills with parallel shank
硬质合金螺旋齿立铣刀第1部分:直柄立铣刀型式和尺寸

The four main types of gears (spur, helical, worm, and bevel)and a rack and pinion are shown in Figure 7
图7所示是四种主要的齿轮(巨齿轮，斜齿轮，蜗轮和伞齿轮)以及齿条和小齿轮。

Any linkage which contains a screw pair, for example, is a spatial mechanism, since the relative motion within a screw pair is helical.
凡带有如螺旋副之类的连杆都是一个空间机构,因为螺旋副的相对运动是螺旋运动。

If that is not a pictorial, then it is a magazine.
那不是画报就是杂志。

The incident was noticed in a magazine.
这一事件在一份杂志里述及。

He is a magazine solicitor.
他是杂志推销员。

A binding or enclosure for a book or magazine.
书皮，封面书或杂志的镶边或封皮

There was an explosion in the ship's magazine.
军舰的弹药库爆炸了。