词汇	backing targets
释义	backing targets 衬靶
随便看	permeability stratification permeability-stress Permeability structure types Permeability surface permeability-surface permeability surface area permeability synthesis permeability temperature curve permeability tensor permeability tensorr permeability test permeability tester permeability testing permeability testing machine permeability-thickness product permeability-thickness product, flow capacity permeability to gas permeability to gases permeability to gas flow permeability to heat Permeability,Tooth permeability to water vapor permeability to water vapour permeability transition Permeability transition pore