The authors consider that this method effectively solves relative technological issues,can ensure the cold-laid quality and progress. The economic comparison on the cold-laid bitumen sand and ordinary bitumen sand in comprehensive cost is made,and the results show that the former is advantageous in price,which decreases the...
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Wetting agent: An additive, such as alcohol, which decreases the surface tension of water.
湿润剂:降低水的表面张力的添加剂;例如:醇。
The shear spring bears most of the vertical loading, which decreases the vibration frequency.
剪切弹簧承担大部分垂直方向的载荷,降低震动频率。
A new type of HAPF is expatiated including a fundamental series resonance circuit which decreases the capacity of inverters.
阐述了一种含基波串联谐振电路,减小逆变器输出容量的混合有源滤波器工作原理。
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