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【单选题】
杆件端部至扣件盖板的边缘距离不应小于()㎜。
A.
50
B.
100
C.
150
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【单选题】Once there was a famous English painter. His name was Peter. He was asked to paint some pictures on the walls of the king’s palace. With the help of a worker, Peter started painting on the platform (平...
A.
To paint some pictures on the walls of the king’s palace.
B.
To paint some pictures at home.
C.
To take pictures for the king.
【单选题】人工挖掘土方作业过程中，作业人员相互间必须保持足够的安全距离：前后作业，两人间距不小于(C)m;左右作业，两人间距不小于( )m。
A.
1;
B.
2;
C.
3;
D.
4;
E.
5;
相关题目：
【单选题】Once there was a famous English painter. His name was Peter. He was asked to paint some pictures on the walls of the king’s palace. With the help of a worker, Peter started painting on the platform (平...
A.
To paint some pictures on the walls of the king’s palace.
B.
To paint some pictures at home.
C.
To take pictures for the king.
【单选题】人工挖掘土方作业过程中，作业人员相互间必须保持足够的安全距离：前后作业，两人间距不小于(C)m;左右作业，两人间距不小于( )m。
A.
1;
B.
2;
C.
3;
D.
4;
E.
5;
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