常見(jiàn)例句雙語(yǔ)例句Examples are given to differentiate quantity ratio and mass fraction, mol ratio and mol fraction, cuba.例析了比率相關(guān)量如質(zhì)量比與質(zhì)量分?jǐn)?shù)、摩爾比與摩爾分?jǐn)?shù)、躰積比與躰積分?jǐn)?shù)的區(qū)別。 返回 mol fraction