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【单选题】
滚动轴承是标准件，所以轴承的内圈与轴颈的配合为（）。
A.
基轴制
B.
基孔制
C.
紧配合
D.
松配合
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举一反三
【单选题】最高运行速度=160km/h 的轮对轴颈上在距轴颈后肩50mm 以外部位有纵向划痕深度不超过（）时须清除毛刺后使用
A.
0.1mm
B.
0.2mm
C.
0.5mm
D.
1.0mm
【单选题】In the last two hundred years there have been great changes in the method of production of goods. This is now also true of the building industry; for mechanization has been introduced. System building...
A.
the latter uses ready-made internal features
B.
panels are cast in a level position
C.
the former is used to build walls and floors while the latter to construct bathrooms or bedrooms
D.
the former is more expensive than the latter
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【单选题】最高运行速度=160km/h 的轮对轴颈上在距轴颈后肩50mm 以外部位有纵向划痕深度不超过（）时须清除毛刺后使用
A.
0.1mm
B.
0.2mm
C.
0.5mm
D.
1.0mm
【单选题】In the last two hundred years there have been great changes in the method of production of goods. This is now also true of the building industry; for mechanization has been introduced. System building...
A.
the latter uses ready-made internal features
B.
panels are cast in a level position
C.
the former is used to build walls and floors while the latter to construct bathrooms or bedrooms
D.
the former is more expensive than the latter
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