A planar model of air and water flow on metal fill surface was set up to investigate heat and mass transfer performance of air conditioner.

建立了填料塔的二维传热传质模型，考虑了因水蒸发或凝结而引起的水的质量变化和空气的质量变化。

youdao

Create a gradient fill across your selection as shown in the screenshot below to complete creating the logo's surface.

如下面的截图，横穿你的选区，创建一个渐变填充，来完成Logo外观的创建。

youdao

To fill in these gaps in surface-based PM2.5 measurements, experts look toward satellites to provide a global perspective.

为了弥补地表PM2.5测量手段的缺失，环境学专家希望利用卫星来提供一个地球全景图。

youdao

Numerous opportunities surface for existing employees to fill these newly created roles, however one must consider how the baseline work will be maintained.

FORBES: Manage Major Business Transformations In Stages

Tablets lack the functionality of a full computer and leave many holes holes that I think a hybrid device like the Microsoft Surface will be able to fill.

FORBES: Tablets Are So Last Year

They clear and fill the holes, then use a roller or whacker to smooth the surface.

BBC: Jetpatchers at work