pen arm的意思|示意

Night had come. He laboriously dragged a table and the old arm-chair to the fireside, and placed upon the table a pen, some ink and some paper.

夜已来临，他很吃力地把一张桌子和一把旧扶手椅拖到壁炉边，在桌上放下笔、墨水和纸张。

The change in pressure can be recorded by means of a pen arm on a rotating drum.

气压变化可以借助在转动的钟筒上移动的笔记录下来。

The alter in prescertain can be recorded by ways of pen arm on a rotating drum.

气压变化没去外国疑问借助在转动的钟筒上移动的笔记录下来.

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Nagiko: I need writing. Dont ask why. Just take out your pen and write on my arm.

诺子：我需要写作。不要问为什么。就是把你的钢笔拿出来，写在我的胳膊上。