常見例句The effect of metalceramic shell interface reactions on surfaceroughness and the defects of burn on sand in investment casting are discussed in this paper. 討論金屬與型殼界麪作用對(duì)精鑄件表麪粗糙度和粘砂缺陷的影響。Among the pistons, 3 are burnt on crown. 這些活塞中有3個(gè)頂部燒壞了。When we had no paper,we wrote on sand. 我們沒有紙時(shí)就在沙上寫字。It is better to build houses on rock not on sand. 最好把房屋建在巖石上,而不要建在沙地上。A foolish man who built his house on sand. 無知的人,把房子蓋在沙土上。When we had no paper, we wrote on sand. 我們沒有紙時(shí)就在沙上寫字。 返回 burnt-on-sand