Chan explains that a porous structure is metal or pottery material which, through a special production process, is pierced by thousands of tiny pores about five to 10 microns in diameter.
詹添印解釋，所謂的「多孔隙結構體」，意即透過特殊製程，讓金屬或陶器內部遍布直徑僅約 5 ~ 10 微米的孔隙。