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【单选题】
下列哪种操作是不正确的？（ ）A.带褐色眼镜从事电焊B.操作机床时，带防护手套 C.借助推木操作剪切机械 D.穿工作服
A.
带褐色眼镜从事电焊
B.
操作机床时，带防护手套
C.
借助推木操作剪切机械
D.
穿工作服
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【单选题】龙门式剪切机在操作时，两片剪刀的运动情况是（）。
A.
上下剪刃一起做相对运动
B.
上剪刃向下运动下剪刃不动
C.
下剪刃向上运动，上剪刃不动
【单选题】Terms and Conditions of Employment These terms and conditions should be read before you sign your contract. Salary: Your starting salary is: $15,000. This is reviewed annually. Hours: The normal ho...
A.
CMA is short for Central Mountain Air.
B.
CMA had a history of 19 years.
C.
CMA is a state-owned Canadian company.
D.
CMA is located in the west of Canada.
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【单选题】龙门式剪切机在操作时，两片剪刀的运动情况是（）。
A.
上下剪刃一起做相对运动
B.
上剪刃向下运动下剪刃不动
C.
下剪刃向上运动，上剪刃不动
【单选题】Terms and Conditions of Employment These terms and conditions should be read before you sign your contract. Salary: Your starting salary is: $15,000. This is reviewed annually. Hours: The normal ho...
A.
CMA is short for Central Mountain Air.
B.
CMA had a history of 19 years.
C.
CMA is a state-owned Canadian company.
D.
CMA is located in the west of Canada.
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