Johnston said Twitter's primary function for the airline is to gauge brand perception and to listen to what customers are saying.
Johnston指出，Twitter对于捷蓝航空的主要作用在于测定品牌认知以及聆听客户声音。
2
Differential pressure remote water gauge should have pressure supplement function to ensure an actual indication of water line in the bubbles under all kinds of working circumstances.
差压式远传水位表应具有压力补偿功能，以保证各种工况下都能显示汽包中真实水位的变化。
3
Or she may perform what's known as a spirometry test and, if that signals asthma, an inhalation challenge—both of which help your doctor gauge your lung function.