During the coke oven gas cooling in the gas collecting main, there are heat transfer and mass transfer simultaneously.

焦炉煤气在集气管中的冷却过程是传热与传质同时进行的。

youdao

So, while the main business of delivering products to customers hasn't changed, the method of collecting and processing orders will.

因此，虽然向客户交付产品的主要业务并没有发生改变，但是收集和处理订单的方法将会改变。

youdao

After collecting them from the main road, he transports his guests in a small, covered sled towed behind his snowmobile up into the rolling hill country and into another world.

从主干道募集到游客后，他用他雪地摩托后拖拽的一辆有顶的小雪橇把他的客人送上延绵起伏的山区，进入另一个世界。

youdao

Well, there are many ways to contribute: Local stores and businesses on Main Street America are collecting money to send to appropriate relief and help agencies.

CNN: Transcript: Bush praises charity efforts

Next year the central Bosnian state, as opposed to its two main entities, will begin collecting customs duties and preparing to do the same for value-added tax from 2006.

ECONOMIST: Some hopeful news from the Balkans

Nickell is publishing his findings in a two-part article in Manuscript magazine, the main trade organ for the historical document-collecting crowd.

FORBES: Santagate (Or, Not A Plagiarist Was Stirring)