渗透管、沟是由无砂混凝土或穿孔管等透水材料制成。
... permeability to heat 导热性 permeability tube 渗透管 permeameter ①磁导计，磁导仪，磁导率计②渗透计 ...
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渗透管（permeation tube）是20世纪60年代中期出现的一种标准气源，渗透管法利用液体分子能渗透塑料膜的原理配制恒定低浓度标准气体。
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本实用新型涉及一种用于排出地下及工程结构中渗水的渗透管。
The utility model relates to a permeation tube used for discharging the seepage water in an underground structure and an engineering structure.
本文介绍了基于高聚物膜渗透原理而建立的外渗式水渗透管微量水发生装置。
A humidity generator of the permeable tube based on the membrane permeation principle of polymeric material is presented.
分析了补充水体的渗透地面、渗透管渠、渗透井和渗透池四种雨水渗透技术的优缺点。
It Analyses the merit and disadvantage of four rainwater infiltration technologies including infiltration ground, infiltration pipe and channel, filter pool and filter basin.
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