分馏塔气液相负荷都大将造成漏液现象。
参考答案:错
用所给单词的适当形式填空。
1. Are _____ (that) your brothers?
2. Lily and Lucy are_____ (sister).
3. Four _____ (photo) are on the wall.
4. This is Tom's _____ (family) tree.
5. His _____ (parent) are in Beijing now.
预测工作的步骤有哪些?