未知题型
Revise these sentences to be positive rather than negative. Because we are temporarily out of Baby Smile dolls, we won"t be able to ship your order for 10 days.
We appreciate your order and are excited to inform you that ......
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未知题型 1.论述金属基复合材料的分类及其主要制备方法。 2.以钛基复合材料为例，简述其熔铸制备和烧结制备的技术原理，并比较这两种制备技术的优缺点。
未知题型 当金属离子浓度一定时，配合物的条件稳定常数（ ），突跃范围（ ）。
未知题型 pursue responsibility grant equip restrict distinct minimum exploit award elect Now that you’re 13 you should have more sense of_______.
