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读装配图,填空回答下列问题。(每空1分,共10分) 习题.docx 1 .机用虎钳由 种零件装配而成,有 种标准件。 2 .左视图采用的表达方法是 ( 全剖、半剖、局部剖 ) 视图。 3 .件 10 螺钉共有 个,所用材料是 。它在俯视图的局部剖处表达的是连接件 与件 。 4 .配合尺寸 φ 20 ,基本尺寸为 ,孔公差带代号为 , 轴公差带代号为 。
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【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】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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