但目前的研究多是从房地产业的表面现象出发来推测和判断房地产市场是否存在以及存在多大泡沫,缺乏理论深度。
While the recent research mostly extrapolates and estimates that the real estate market whether has bubble just from the superficial phenomena of real estate industry, which lacks theory depth.
潜孔锤泡沫钻进技术彻底攻克了潜孔锤在潮湿地层钻进的难关,加深了潜孔锤水下钻进的深度,找到了一条在涌水破碎地层进行潜孔锤钻进的有效途径。
Underhole drilling technology solved the difficulties of drilling in wet layers, deepened the drilling under water, and found an effective method of drilling hi pouring crushing layer.
潜孔锤泡沫钻进技术彻底攻克了潜孔锤在潮湿地层钻进的难关,加深了潜孔锤水下钻进的深度,找到了一条在涌水破碎地层进行潜孔锤钻进的有效途径。
Underhole drilling technology solved the difficulties of drilling in wet layers, deepened the drilling under water, and found an effective method of drilling hi pouring crushing layer.
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