单项选择题
A.平板没提起B.导柱缺少润滑C.气路漏气D.系统没升压
A.8AMPB.10AMPC.15AMPD.20AMP
A.12VDCB.24VDCC.110VACD.220VAC
A.12VDCB.12VACC.24VDCD.24VAC
微信扫一扫,加关注免费搜题