air-medium

基本解释

The defect of marble is very can fast in the environment with air medium moisture, carbon dioxide has reaction, make its surface loses luster, become coarse.
大理石的缺点是在环境中会很快和空气中的水分、二氧化碳起反应，使其表面失去光泽，变得粗糙。
The jet mill with superheated steam is provided with low-energy consumption and high comminution force than that of the air medium.
对过热蒸汽气流磨和空气气流磨的粉碎性能进行了比较，并以过热蒸汽气流磨作了分级试验，考察了工艺参数对分级性能和效果的景响。
Electro-insulating board for air medium
空气介质电绝缘纸板
Research on the Thick Lens in the Air Medium
空气介质中厚透镜性质研究
Air media in the United States and Beijing on the 29th night announced that its Board of Directors has approved a stock repurchase plan.
航美传媒于北京时间29日晚间宣布，该公司董事会已经批准了一项股票回购计划。