釉板(enamel lamella):釉板是片狀、貫穿整個(gè)釉質(zhì)厚度的結(jié)構(gòu)缺陷,在磨片中觀察呈裂隙狀結(jié)構(gòu)。其鈣化程度低、窄而細(xì)長(zhǎng),數(shù)量比釉叢少,在釉質(zhì)橫斷面容易觀察到。Enamel lamella:Enamel lamella is a sheet-like structural defect that runs through the entire (共 488 字) [閱讀本文] >>