Permeable-base 可渗透基区
Porous Concrete Permeable Base 多孔混凝土排水基层
permeable base transistor [电子] 可渗基区晶体管
permeable base materials 排水基层材料
lean concrete permeable base 贫混凝土透水基层
cement treated permeable base 水泥碎石排水层
permeable base transistor pbt 穿透基区晶体管
In addition, the metal film is directly plated on the air permeable base cloth to save an airtight thin film, thereby having fine air permeable and moisture permeable properties.
而且，本实用新型的复合絮片直接在透气性底布上镀金属膜，省去不透气的薄膜，因而具有良好的透气、透湿性能。
According to this, the paper puts forward a kind of new permeable base material, which is called porous concrete.
对此，本文研究一种新型的多孔混凝土排水基层材料。
As a part of pavement structure, the mechanical behavior of asphalt treated permeable base (ATPB) affects the performance of roadway directly.
沥青稳定碎石排水层作为路面结构的一部分，其力学性能直接影响整个路面的使用性能。
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