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【单选题】
图示机构中,已知O1A=O2B,当O1A平行于O2B时,O1A杆与O2B杆的角速度和角加速度分别为α1、α2、ω1、ω2,则该瞬时:( )。【图片】
A.
α1= α2、ω1 ≠ ω2
B.
α1= α2、ω1 = ω2
C.
α1 ≠ α2、ω1= ω2
D.
α1 ≠ α2、ω1 ≠ ω2
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