皮皮学，免费搜题
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搜题
【多选题】
下列哪些工程应用中，机械设备的负载为恒功率负载？A.
起重机在提升重物时的负载
B.
机床的切削加工时的刀具承受的负载
C.
风机在工作时的负载
D.
机扎制钢板时的轧钢机的负载
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Please identify what type of evidence is used:Harold McConnel, who has been working with and designing railroad tracks for the past three decades, after examining the scene of the accident at the trai...
A.
Expert testimony
B.
Eyewitness testimony
C.
An anecdote
D.
Statistics
【单选题】Please identify what type of evidence is used:The scene was entirely out of control. I was standing only ten feet away from the President, who was walking through the crowds on the sidewalk of Jeffers...
A.
Statistics
B.
Analogy
C.
Eyewitness
D.
Textual evidence
【单选题】Please identify what type of evidence is used:According to the school’s policy, students with disability are exempted from the PE tests. Therefore, the attempt to make physical performance a prerequis...
A.
Textual evidence
B.
Expert testimony
C.
Analogy
D.
Statistics
【单选题】Please identify what type of evidence is used. Choose one appropriate answer. According to the school’s policy, students with disability are exempted from the PE tests. Therefore, the attempt to make...
A.
Textual evidence
B.
Expert testimony
C.
Analogy
D.
Statistics
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