问题
单项选择题
焊条电弧焊焊接时,电弧中心部分的温度可达()
A.3000~3300℃
B.6000~10000℃
C.5000~8000℃
D.18000~24000K
答案
参考答案:C
焊条电弧焊焊接时,电弧中心部分的温度可达()
A.3000~3300℃
B.6000~10000℃
C.5000~8000℃
D.18000~24000K
参考答案:C
选词填空。 | |
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