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问题
填空题
电流强度和槽电压影响电解槽热量收入的大小,()和()影响电解槽热量支出的大小。
答案
参考答案:铝液水平;阳极保温料
选择题
The place _____ the bridge is supposed to be built should be _____ the cross-river traffic is the heaviest.
A. which; where
B. at which; which
C. at which; where
D. which; in which
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填空题
pH值大于7,溶液呈()性。
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