The round workpieces are picked up by a vacuum gripper, transported a short way and set down on a small carrier, which conveys the parts back to the starting point.
圆形工件由真空夹持器拾起，运送一小段距离后放置在小型运载装置上，最终工件被运送回原点。
2
The engine, as it cooled itself, sucked in air through the outlet hose, producing suction in the vacuum chamber, and so drawing the plunger down and compressing the spring.
当引擎冷却时，通过出口软管吸入空气，在真空管产生吸气，导致柱塞向下挤压弹簧。
3
When you expand a real gas into vacuum, the temperature goes down.