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搜题
【单选题】
适合于拍摄田野、星空、沙漠等开阔的外景的景别是（ )A.
全景
B.
近景
C.
远景
D.
特写
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【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 1. (Single option: 10 points)
A.
6.3μm
B.
25μm
C.
12.5μm
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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