The primary technology processes are many scales of countercurrent extraction, vacuum concentration, a drop purification and vacuum drying in low temperature.

工艺主要流程为茶汤预处理后的多级逆流萃取、真空浓缩、纯化沉析、低温真空干燥。

youdao

This paper discusses the relation between degree of vacuum and air flow in drop pipe when black liquor flow is constant.

本文叙述了当液体流量恒定时，水腿中（大气压管）吸入空气量与真空度的关系。

youdao

The vacuum also senses dirtier areas and spends more time cleaning them, and it USES built-in cliff sensors to avoid stairs and other drop-offs.

真空也感觉脏区和花费更多的时间清洗，它建在悬崖传感器使用，以避免楼梯和其他陡坡。

youdao

Inspired by his dentist, Kelman figured out a way to use an ultrasound probe to disintegrate the cataract, a tiny vacuum to pull out the pieces, and a small incision to drop in the new lens.

FORBES: We Probably Spend Too Little On Health Care (Unless You're Peter Orszag)