你能把这钢笔帽拧下来吗？

Can you twist the cap of this fountain pen off?

youdao

我把钢笔帽弄丢了。

I lost the cap for my pen.

youdao

本文还叙述了SSS钢在制成紧固环，钢笔帽，内六角螺丝，金属软管以及皮下注射针工艺中的应用。

Also, the processes by which SSS is made into circlip pen-caps, blind rivets, inner-hexagon screws, hosepipes and hypodermic needles are described.

youdao

这是我的钢笔笔帽。

This is the cap of my fountain pen.

youdao

这是我的钢笔笔帽。

This is the cap of my fountain pen.

youdao