七档变速箱档位选择器
seven speed transmission gear selector
装置位置选择
position choice for instruments
变速箱速档选择器
transmission gear selector
档位选择指示环
gear selection indicator ring
数控多档位选择开关
NC multi-position selective switch
背景位置选择
selected background position
selection of background position
储存位置选择
storage location selection
电流表-电压表相位选择器开关
ammeter-voltmeter phase selector switch
三位选择器滑阀
three-position selector spool
三位选择器开关
three-position selector switch