A.1脈沖/轉(zhuǎn) B.2000脈沖/轉(zhuǎn) C.8000脈沖/轉(zhuǎn) D.4000脈沖/轉(zhuǎn)
A.旋轉(zhuǎn)變壓器 B.感應(yīng)同步器 C.脈沖發(fā)生器 D.磁尺
A.1個(gè)節(jié)距 B.1/2個(gè)節(jié)距 C.1/4個(gè)節(jié)距 D.1/8個(gè)節(jié)距