air proof

By analyzing the CDM in China coal mine gas control method of application, proof of coal mine gas in particular, the use of gas in Return Air has broad application prospects.

通过分析CDM方法在我国矿井瓦斯治理中的应用，证明矿井瓦斯特别是回风流瓦斯的利用具有广阔的应用前景。

The Application And Development of Explosion Proof Air Conditioning Unit Made in China

国产防爆空调机组的应用和发展

The whole system is air-proof.

整个系统密封性好.

Adoption of top-quality insulating materials and highly air-proof design can avoid unnecessary loss of energy.

优质保温材料,高密封设计,避免不必要的能量损耗.

Because of the disjoint of the theoretical and practical research of reading instruction, many theories can not be put into practice for proof-test finally. So the theory becomes an air castle without any practical applicable worth;

关于阅读教学对话的理论研究与实践研究脱节，很多理论最终难以付诸实践和接受实践的检验，理论建构成为空中楼阁，缺乏实际应用价值；

The curative agent system is completely closed and air proof.

涂胶机固化剂系统,为全封闭系统,杜绝了空气的混入.

Design of frost proof, air ducting and noise reduction for reverse-flow natural draft cooling tower

逆流式自然通风冷却塔防冻导风降噪设计

Good air-proof performance. The electrical parts inside the shell can be used safely.

密封性能良好, 能有效保护壳内电器部件的安全使用.