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1.coefficient of permeability
2.liquid penetrant inspection
3.penetrant test
4.import penetration
6.economic infiltration:
7.permeable membrane
8.To permeate; saturate.
渗透;使浸透收藏指正
9.gas permeation
气体渗透分离收藏指正
10.dam foundation seepage deformation
坝基渗透变形收藏指正
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