题目内容
(请给出正确答案)
[单选题]
低压加热器采用的堵头要求为()
A.长约50mm,锥度为1:20,大端比管孔大0.025~0.05mm
B.长约40mm,锥度为1:25,大端比管孔大0.025~0.05mm
C.长约40mm,锥度为1:20,大端比管孔大0.025~0.05mm
D.长约50mm,锥度为1:25,大端比管孔大0.025~0.05mm
提问人:网友lixin080108
发布时间:2022-01-07
A.长约50mm,锥度为1:20,大端比管孔大0.025~0.05mm
B.长约40mm,锥度为1:25,大端比管孔大0.025~0.05mm
C.长约40mm,锥度为1:20,大端比管孔大0.025~0.05mm
D.长约50mm,锥度为1:25,大端比管孔大0.025~0.05mm
A.长约50mm,锥度为1:20,大端比管孔大0.025~0.05mm
B. 长约40mm,锥度为1:25,大端比管孔大0.025~0.05mm
C. 长约40mm,锥度为1:20,大端比管孔大0.025~0.05mm
D. 长约50mm,锥度为1:25,大端比管孔大0.025~0.05mm
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