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[单选题]
当全车闸瓦厚度平均值为45mm时,ST2-250型闸调器螺杆工作长度为()mm。
A.163~203mm
B.142~182mm
C.200~240mm
D.121~161mm
查看答案
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A.163~203mm
B.142~182mm
C.200~240mm
D.121~161mm
A.95% 90%
B.90% 90%
C.90% 85%
D.90% 95%
A.91%
B.93%
C.95%
D.97%
盘式制动器闸瓦的厚度磨损至________时,必须进行更换。
A.3mm
B.5mm
C.8mm
D.10mm