單項(xiàng)選擇題
A.20s B.15s C.10s D.5S
A.20mm B.15mm C.l0mm D.5mm
A.20S B.15S C.10S D.5S
A.500kPa B.600kPa C.700kPa D.900kPa
A.主活塞漏泄 B.充氣孔過大 C.滑閥充氣孔堵塞 D.滑閥充氣孔過小
A.1650~1750mm B.2500~2800mm C.2700~2000mm D.2000~2500mm
A.全軸距B.固定軸距C.定距D.車輛定距
A.全軸距 B.固定軸距 C.定距 D.車輛定距
A.固定軸距 B.全軸距 C.軸距 D.車輛定距
A.2500mm B.2700mm C.2600mm D.2800mm
A.折角塞門 B.列車管制動(dòng)支管上的截?cái)嗳T C.空重車塞門 D.總風(fēng)塞門p>