凝固過程當(dāng)中,固相側(cè)溶質(zhì)質(zhì)量分?jǐn)?shù)和液相側(cè)溶質(zhì)質(zhì)量分?jǐn)?shù)的比值
A.拔長(zhǎng)模膛 B.滾擠模膛 C.彎曲模膛 D.成型模膛
A.相等 B.相差不大 C.相比要大得多 D.相比要小的多