fine grained fracturefine-grained fracture细: thin; slender纹: lines; veins; grain裂: open面: face粗纹裂面: coarse grained fracture下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:细纹裂面,即可在微信中查询翻译