皮皮学，免费搜题
登录
搜题
【简答题】
冷却速度(或冷却时间)是影响到焊接热影响区固态相变组织及晶粒粗细及性能的主要因素。对于 ,常采用从800°C到500°C的冷却时间τ8/5,对于 ,常采用从800°C到300°C的冷却时间τ8/3和从 冷却到100°C的冷却时间τ100。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】The author holds the view that the apple story is ______.
A.
fabricated
B.
ridiculous
C.
authentic
D.
reasonable
查看完整题目与答案
【判断题】电控发动机转速传感器断线,发动机一般会立即熄火。____
A.
正确
B.
错误
查看完整题目与答案
【判断题】Their frail deeds might have danced in a green bay 本行诗的意思是“他们可怜的业绩本应该多么灿烂地在绿色的港湾里舞蹈”。
A.
正确
B.
错误
查看完整题目与答案
【判断题】一般来说,冬季土石坝施工,开采温度不低于 5~10 °C、碾压温度不低于 2 °C,便能保证土料的压实效果。
A.
正确
B.
错误
查看完整题目与答案
【简答题】电控发动机转速传感器断线,发动机一般会立即熄火。____
查看完整题目与答案
【单选题】The author holds the opinion that climate changes have started with the dawn of agriculture.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【判断题】一般来说，冬季土石坝施工，开采温度不低于5~10℃、碾压温度不低于2℃，便能保证土料的压实效果。
A.
正确
B.
错误
查看完整题目与答案
【单选题】It can be inferred from this passage that the author holds a(n)________attitude towards the divorce revolution.
A.
ambiguous
B.
positive
C.
negative
D.
radical
查看完整题目与答案
【单选题】The author holds the position that family institutions and systems are ______ .
A.
likely to breakdown, causing harm to the society
B.
likely to stop changing in the near future
C.
presenting new problems to the society
D.
open and constantly changing
查看完整题目与答案
【单选题】The author holds the rise of prediction market depends on ______.
A.
managers' promotion of it among the staff
B.
employees' application of it in trading
C.
bosses' belief in experts' authority
D.
firms' motivating methods
查看完整题目与答案
相关题目：
【单选题】The author holds the view that the apple story is ______.
A.
fabricated
B.
ridiculous
C.
authentic
D.
reasonable
查看完整题目与答案
【判断题】电控发动机转速传感器断线,发动机一般会立即熄火。____
A.
正确
B.
错误
查看完整题目与答案
【判断题】Their frail deeds might have danced in a green bay 本行诗的意思是“他们可怜的业绩本应该多么灿烂地在绿色的港湾里舞蹈”。
A.
正确
B.
错误
查看完整题目与答案
【判断题】一般来说,冬季土石坝施工,开采温度不低于 5~10 °C、碾压温度不低于 2 °C,便能保证土料的压实效果。
A.
正确
B.
错误
查看完整题目与答案
【简答题】电控发动机转速传感器断线,发动机一般会立即熄火。____
查看完整题目与答案
【单选题】The author holds the opinion that climate changes have started with the dawn of agriculture.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【判断题】一般来说，冬季土石坝施工，开采温度不低于5~10℃、碾压温度不低于2℃，便能保证土料的压实效果。
A.
正确
B.
错误
查看完整题目与答案
【单选题】It can be inferred from this passage that the author holds a(n)________attitude towards the divorce revolution.
A.
ambiguous
B.
positive
C.
negative
D.
radical
查看完整题目与答案
【单选题】The author holds the position that family institutions and systems are ______ .
A.
likely to breakdown, causing harm to the society
B.
likely to stop changing in the near future
C.
presenting new problems to the society
D.
open and constantly changing
查看完整题目与答案
【单选题】The author holds the rise of prediction market depends on ______.
A.
managers' promotion of it among the staff
B.
employees' application of it in trading
C.
bosses' belief in experts' authority
D.
firms' motivating methods
查看完整题目与答案