Crac

Study on the Model of the Shaft Crac Opening and Closing

转轴上裂纹开闭模型的研究

The China Youth Publishing House and the Produce of Red Crac

中国青年出版社与《红岩》的生产

Discussion on Concrete Temperature Crac

浅谈混凝土温度裂缝

Determination of Crac Location in Plate

板裂纹位置的确定

[ Conclusion ] CpG islands methylation of E-cad gene may be involved in the pathogenesis of GAC and CRAC .

结论E-cad基因启动子CpG岛甲基化可能参与胃肠腺癌发生。

Mechanism of HQ-80 steel reheat crac

HQ-80钢再热裂纹机理

Due to the characteristics of simple process , convenient construction and adaptability of target , coated radar absorbing coating ( CRAC ) become one of the key development directions of stealth technique at present .

而涂覆型雷达吸波涂层由于工艺简单、施工方便及对目标系统的外形适应性强等特点，成为当代隐身技术发展的重点方向之一。

The thermostatic expansion valve ( TEV ) is replaced by the electronic expansion valve ( EEV ) to increase the energy efficiency ratio ( EER ) in computer room air conditioner ( CRAC ) .

为了提高机房空调能效比，传统的热力膨胀阀正逐步被电子膨胀阀取代。