Rollers Conveyor Structure Form 滚筒输送机的结构形式
These rare creations are called snow rollers, and Mother Nature makes them all by herself. Snow rollers form when wet snow falls on ground that is icy, so snow won't stick to it.
这些稀有的造物叫雪卷，大自然全凭一己之力创造了它们，当湿雪落在多冰的地面并且不黏附于地面时，雪卷才有可能产生，强风吹动地面上的湿雪，滚动后便形成了雪卷。
The process of cleaning the rollers, form or plate, and fountain of a press with solvents to remove all ink as required after a day's run, or during a run for ink color changes.
中义在一天工作完毕或更换墨色时，以溶剂清洗辊筒、印版或印刷机的水槽以洗去所残留的印墨。
Mirrors attached to the rollers form part of an optical system.
装在圆筒上的小镜是光学系统的一部分。
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