ventilating

Based on the experimental results, the diversities of the velours thermal conduction and ventilating in different directions and the mechanism which influence on its diversity are discussed.

通过实验分析了起绒织物的透气与传不同方向上的差异及影响差异的机理。

In mine construction engineering area, Apolune International Limited provide design of vertical shaft, inclined shaft, ventilating shaft, ore pass, drift, tunnel and all kinds of underground chamber.

矿井建工方面，远月点国际有限公司提供竖井、斜井、风井、溜井、平巷、隧道及各种地下硐室的。