多孔多并苯半导体
porous polyacenic semiconductor
多孔扩散型消声器
Porous diffusion type silencer
钻孔扩孔
bore hole drilling and enlarging
孔桩孔壁
Blast hole wall of digging pile
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
C/C多孔材料
carbon-carbon porous material