pusher feeder是什么意思

用法例句

Objective To develop a simple new-type photographic device for the field battle and peace time,because of the function of the trivet of X-Ray machine is limited.

目的:研制新型野战简易摄片装置,解决野战X线机三脚架功能受限的问题。

It can be used not only as assistant field film development equipment,but also as training equipment for field hygiene unit that isn t.

结论:该装置装载、展开方便,操作简单,既可以作为野战辅助洗片装置,又可以作为未配发半自动洗片机的野战营团卫生单位训练用。