單項(xiàng)選擇題
A.2個(gè) B.4個(gè) C.6個(gè) D.8個(gè)
A.2~4mm B.3~6mm C.4~6mm D.5~7mm
A.600rnm B.650mm C.700mm D.750mm
A.40mm B.50mm C.60mm D.70mm
A.110mm B.220mm C.330mm D.440mm
A.54mm B.64mm C.75mm D.85mm
A.220mm B.240mm C.260mm D.280mm
A.剛性軸懸式電機(jī)懸掛 B.彈性軸懸式電機(jī)懸掛 C.架懸式電機(jī)懸掛 D.牽引電動(dòng)機(jī)體懸掛
A.≥1mm B.≥2mm C.≥3mm D.≥4mm
A.≥11mm B.≥16mm C.≥18mm D.≥21mm
A.≤25mm B.≤30mm C.≤35mm D.≤40mm