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【单选题】
下列轴承中， 轴承必须使用。A.
深沟球轴承
B.
圆柱滚子轴承
C.
圆锥滚子轴承
D.
推力球轴承
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反馈参考答案：
举一反三
【简答题】刚性防水面为什么要设置分格缝？通常在哪能些部位设置分格缝？
【简答题】A．Because the boy was not a full-time worker. B．Because the boy had made some mistakes. C．Because he thought the boy had failed to meet his requirements. D．Because he thought it was his son who should...
【单选题】The boy had a violent pain in his stomach after eating too much ice-cream.
A.
outrageous
B.
fatal
C.
fierce
D.
frequent
【简答题】刚性防水面为什么要设置分格缝?通常在哪能些部位设置分格缝?
【简答题】I saw a boy and a girl on my way home.The boy had a book and the girl a doll.
【单选题】3I. Why did the writer and the woman both feel glad?
A.
Because the boy had saved some money.
B.
Because they both didn’t need to give anything.
C.
Because the cashier didn’t look down on the boy.
D.
Because all the shoppers around were willing to help the boy.
【简答题】刚性防水屋面为什么要设置分格缝？通常在哪些部位设置分格缝？
【简答题】刚性防水面为什么要设置分格缝?通常在哪能些部位设置分格缝?
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