Erector

(n.) One who, or that which, erects.

(n.) A muscle which raises any part.

(n.) An attachment to a microscope, telescope, or other optical instrument, for making the image erect instead of inverted.

艾米编辑

• For the erection of these heavy plates, a hydraulic swinging arm, called the Erector, is mounted, either on the shield itself or on an independent erector platform, according to conditions. 佚名. 神奇的知识之书.
• This erector approaches closely the faculties of the human arm. 佚名. 神奇的知识之书.

杰克校对