【简答题】Dialogue: Briefcase Lost (P132) Read the dialogue clearly.
【简答题】什么是水泵的汽蚀余量、必需汽蚀余量、临界汽蚀余量、有效汽蚀余量、允许汽蚀余量?
【简答题】何谓汽蚀余量、有效汽蚀余量、必需汽蚀余量?
【单选题】精馏塔中对二元混合物进行全回流操作,已知α=2.5,塔中某块理论板的气相组成0.625(轻组分摩尔分率)求下层塔板的气相组成____
【简答题】Dialogue: Security Check (P30) Read the dialogue clearly.
【简答题】Dialogue: Changing Room (P131) Read the dialogue clearly.
【简答题】Dialogue: Emigration Formalities (P32) Read the dialogue clearly.
【简答题】Dialogue: Rude Manner (P129) Read the dialogue clearly.