常見(jiàn)例句These chrome free bricks include dolomite bricks, magnesia spinel bricks and magnesia calcium zirconate bricks. 研究表明,用白云石磚、尖晶石磚、鎂鋯鈣磚代替鎂鉻磚,符合堿性磚無(wú)鉻化的發(fā)展趨勢(shì)。The chrome-free tannage of pig skin sofa leather had been studied.And the chrome free tanning process combined with modified glutaraldehyde and other chrome-free tannaings had been gotten. 摘要采用改性戊二醛、改性拷膠、鋁鞣劑、合成操劑等無(wú)鉻鞣劑,通過(guò)正交試驗(yàn),優(yōu)化出了多種鞣劑結(jié)合鞣制豬皮沙發(fā)革的無(wú)鉻鞣制工藝。Reading occupies most of my free time. 閱讀占去了我大部分的閑暇時(shí)間。Keywords acrylic resin;THP salt;chrome free tanning;combined tanning; 丙烯酸樹(shù)脂;THP鹽;無(wú)鉻鞣;結(jié)合鞣;The crew remained free from scurvy. 那些船員仍然沒(méi)有患?jí)难≈荨?/li>He's a fervent believer in free speech. 他是言論自由的強(qiáng)烈信仰者。 返回 chrome-free