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【多选题】
模板拆除时,可采取( )的顺序。A.
A .先拆承重模板
B.
先拆非承重模板
C.
后拆非承重模板
D.
后拆承重模板
E.
同时 拆除
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举一反三
【简答题】车窗玻璃升降器常见的有__________ 和__________两种。
【简答题】已知如图 所示的对心直动平底推杆盘形凸轮机构,凸轮为 R=30mm 的偏心圆盘, AO=20mm ,试求: (1) 基圆半径和升程。 (2) 推程运动角、回程运动角、远休止角和近休止角。 (3) 凸轮机构的最大压力角和最小压力角。
【简答题】车窗玻璃升降器常见的有钢丝滚筒式和（）两种。
【单选题】I’ve tried my best and done quite well, but he ___________ faults with me.
A.
always finds
B.
has always found
C.
always found
D.
is always finding
【简答题】完型填空。 Charlie is twenty-three now. He 1 a university(大学) and found work in a factory last year. It’s 2 and there are no more than fifty workers in it. And only he 3 in a university. So he looks down u...
【简答题】车窗玻璃升降器常见的有钢丝滚筒式和（）两种。
【简答题】Charlie is twenty-three now. He 1 a university(大学) and found work in a factory last year. It’s 2 and there are no more than fifty workers in it. And only he 3 in a university. So he looks down upon hi...
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