皮皮学，免费搜题
登录
搜题
【单选题】
下图等直径圆轴，若截面B、A的相对扭转角φAB=0，则外力偶M1和M2的关系为 。【图片】A.
（ A ） M1=M2 ；
B.
（ B ） M1=2M2 ；
C.
（ C ） 2M 1 =M2 ；
D.
（ D ） M1=3M2 。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】To write an essay about 300 to 350 words
【简答题】Directions: In this part, please write an essay of about 300 words on the topic 'China in the 21st Century and Her Returning Scholars'. You should base your essay on the following outline: Today, many...
【简答题】是指由极地大陆冰川或山谷冰川末端因 而形成的冰山,它们大部分沉于水下,仅小部分露出水面,随海流向 漂流,沿途不断融解破裂,因而对 造成危害。
【简答题】不同生物分解嘌呤碱的终产物不同，人类和灵长类动物嘌呤代谢一般止于（），灵长类以外的一些哺乳动物可生成（）；大多数鱼类生成（）：些海洋无脊椎动物可生成（）。
【简答题】Write an essay(200-300 words), according to the topic given. As a measure to curb excessive population growth, the one-child policy has been implemented in China for more than three decades. While app...
【简答题】A. Study the following picture carefully and write an essay of about 250-300 words. B. Your essay should meet the requirements below: (1)describe the picture and interpret its meaning. (2)point out th...
【简答题】Independent Writing Directions For this task, you will write an essay in response to a question that asks you to state, explain, and support your opinion on an issue. You will have 30 minutes to plan,...
相关题目：