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单项选择题

根据扭转强度所估算出直径为转轴轴端处（ ）直径。

A、最大
B、最小
C、较大
D、较小
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相关考题

未知题型
Read the letter extract below. Choose a word from “advise, apologize, persuade” to describe the purpose of the writer. Dear Lily, When I started trying to lose weight, I wanted results too quickly. You get impressive results with crash diets in the first week or two, but believe me, it’ll all go back on. Slow and steady is the best way to take it off and make sure it stays off. Yours, Sally The purpose of this letter is to ____.
未知题型
Emperor Qin unified China, which was an incredible achievement.
单项选择题
表面活性剂达到临界胶束浓度时，再向溶液中加入表面活性剂，则
A、表面张力继续减小
B、表面张力继续增大
C、表面张力基本不再变化
D、不能判断
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