JMD Blower Tubing ventilation is one of the most cost-effective means of underground positive ventilation when air must be delivered at a distance from a fan.
当空气必须从风机运送到远处时，JMD吹风机管通风是地下通风最划算的手段之一。
We must be aware that it will bring about a positive effect as well as a negative one upon China's securities market, and take active measures for its implementation.
它给中国证券市场带来正反两方面的影响，对此我们要有清醒的认识，并积极应对。
We must be aware that it will bring about a positive effect as well as a negative one upon China's securities market, and take active measures for its implementation.
它给中国证券市场带来正反两方面的影响，对此我们要有清醒的认识，并积极应对。
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