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【判断题】
采用绝缘法兰主要为防船岸电位差，应注意防止船岸之间一切金属物件的接触。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】A 2-year-old boy came to the doctor due to systemic convulsions with acute upper respiratory tract infection, T39 °C, in order to determine the cause of convulsions, you should focus on which aspects...
A.
History of birth
B.
feeding history
C.
allergic history
D.
Family history
E.
past seizures history
【单选题】Determine the upper limit of Ra for the surface marked with 2. (Single option: 10 points )
A.
3.2μm
B.
1.6μm
C.
25μm
D.
None
【单选题】About a fillister cap screw joint, the nominal diameter of the screw is 10mm and the upper part thickness with straight through hole is 10mm, in addition, the lower part with blind threaded hole is ca...
A.
25mm
B.
35mm
C.
38mm
D.
None
【单选题】Determine the roughness upper limit for the finest surface of the drawing. (Single option: 10 points)
A.
1.6μm
B.
3.2μm
C.
6.3μm
D.
None
【单选题】Determine the upper limit of Ra for the surface marked with 1. (Single option: 10 points)
A.
1.6μm
B.
3.2μm
C.
25μm
D.
None
【单选题】Determine the upper limit of Ra for the surface 1. (Single option: 10 points)
A.
12.5μm
B.
25μm
C.
Uncertain
D.
None
【简答题】一对年轻夫妇带着他们4岁的儿子驾车来到服务站,对爱车(世嘉2.0 手动)进行1万5千公里的常规保养,如何进行客户接待?
【单选题】Determine the upper limit of Ra for the surface 1. (Single option: 10 points)
A.
25μm
B.
12.5μm
C.
6.3μm
D.
None
【单选题】On condition of infrequently disassembling and light load, determine the type of threaded fasteners used to fasten the upper part with through holes and the lower part with threaded holes. (Single opt...
A.
Stud joint
B.
Screw joint
C.
Bolt joint
D.
None
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