多层打孔隔热材料
Multilayer perforated insulation material
多孔多并苯半导体
porous polyacenic semiconductor
34孔打孔装订机
34 holes Punching-Binding Machine
激光打孔打标
laser drilling and marking
纸带打孔打字机
paper tape perforating typewriter
tape punch typewriter
Al2O3-SiO2-TiO2-ZrO2复合多孔膜
Al 2O 3-SiO 2-TiO 2-ZrO 2 composite membrane
Biot两相多孔介质动力理论
Biot’s theory of two-phase media