题目内容
(请给出正确答案)
[单选题]
60t级铁路货车的编织制动软管总成长度为()
A.715±10mm
B.795±10mm
C.835±10mm
D.980±10mm
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A.715±10mm
B.795±10mm
C.835±10mm
D.980±10mm
A.795±10mm,715±10mm
B.715±10mm,795±10mm
C.790±10mm,710±10mm
D.710±10mm,790±10mm
A.5min
B.10min
C.15min
D.20min
A.2
B.3
C.5
D.10