当地层中存在裂隙时，平行裂隙方向压力下降比垂直裂隙方向要快得多。
When the fracture exists in the stratum, pressures in parallel direction falls much faster than that in vertical.
模拟实验表明：新方案可以提高炉膛下部的压力，使炉长方向压力分布趋于均匀。
Modelling experiments indicate that the new concept is able to enhance the bottom pressure in hearth so as to make the longitudinal pressure distribution more uniform.
对学生来说，访问码可能在经济上又是一大压力，但对教科书行业来说，它们是未来的发展方向。
The access codes may be another financial headache for students, but for textbook businesses, they're the future.
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