常見例句Stellite 6 or cobalt free seats and discs. 鎢鉻鈷合金6或無鈷閥座和閥瓣。Stellite 6 or cobalt free wedge and seats. 鎢鉻鈷合金6或無鈷楔板和閥座。Reading occupies most of my free time. 閱讀占去了我大部分的閑暇時(shí)間。The crew remained free from scurvy. 那些船員仍然沒有患?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。She picked up a new magazine with her free hand. 她用空著的一只手拿起一本新雜志。 返回 cobalt-free