The detection systemcould not press or squeeze the egg like the graders did, but what would happenif they could pull on the egg with a slight negative pressure, or vacuum?

检测系统不能像分级员一样按压或挤压鸡蛋。 然而，如果它们能够用极小的负压或真空把鸡蛋牵引起来，结果会怎样呢？

youdao

Vacuum belt filter and belt press filter are the usual equipments of oil sludge dehydrating. But they have respective virtues and shortcomings.

真空带式过滤机和带式压滤机是污泥脱水的常用设备，但两者各有优缺点。

youdao

Ji 'nan air conditioning maintenance recommendations in cleaning, vacuum cleaner or plush soft brush, press the fin forward brush, remove dust and dirt attached.

济南空调维修建议在清洗时，用吸尘器或长毛软刷，按散热翅片顺向轻刷，除去附着的埃尘和脏物。

youdao

It emerged from interviews with media professionals and activists in Thailand that media accountability systems like the Press Council and journalist associations cannot be effective alone in a vacuum in the absence of awareness on the importance of self regulation among journalists and editors.

UNESCO: Communication and Information