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【判断题】

线轴手动送线时应按WIRE FEED键。

A.
正确
B.
错误
举报
题目标签：线轴
参考答案：
参考解析：
.
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【单选题】对称线、轴线的线型是
A.
中粗实线
B.
中粗虚线
C.
细单点长画线
D.
波浪线
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【单选题】在标定3吨线轴重时，通常最大标到（）
A.
1000kg
B.
2000kg
C.
2500kg
D.
3000kg
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【单选题】Questions 62 to 66 are based on the following passage. Everyone must have had at least one personal experience with a computer error by this time. Bank balances are suddenly reported to have jumped fr...
A.
why there are so many computer errors
B.
whether computers make mistakes
C.
how to avoid computer errors in our daily life
D.
the difference between the human brains and computers
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【简答题】Sportfishing may be done in fresh water or salt water. Freshwater fishing takes place in lakes, ponds, rivers, and streams. fish found in these waters tend to be larger than average freshwater fi...
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【单选题】由曲线及直线，轴、轴所围图形的面积为（）
A.
B.
C.
D.
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【单选题】Questions 62 to 66 are based on the following passage. Everyone must have had at least one personal experience with a computer error by this time. Bank balances are suddenly reported to have jumped fr...
A.
People who use the computers.
B.
The computers that broke down suddenly.
C.
The manufacturers of computers.
D.
Nobody, because they are all unexpected accidents.
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【简答题】Sportfishing may be done in fresh water or salt water. Freshwater fishing takes place in lakes, ponds, rivers, and streams. fish found in these waters tend to be larger than average freshwater fi...
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【单选题】直线轴网不可以生成（）轴网
A.
正交
B.
单向
C.
斜交
D.
弧线
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【单选题】第一主子午线轴向150，焦度：+1.50D第二主子午线焦度：-0.25D（）
A.
-1.25x15
B.
-1.75x15
C.
+1.25x105
D.
-1.75x105
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【简答题】定位轴线 轴线编号的圆直径()
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