A.38mm B.40mm C.42mm D.44mm
A.齒輪驅(qū)動 B.電機(jī)驅(qū)動 C.機(jī)械驅(qū)動 D.柴油機(jī)驅(qū)動
A.400 B.300 C.200 D.100
A.3991×1709×2644.6 B.3995.7×1809×2544 C.3997×1902.3×2654 D.3990.2×1756×2753
A.自由排氣 B.強(qiáng)制排氣 C.進(jìn)氣 D.壓縮