DMG has owned PIS V1.0(public transportation system) with system of traffic of orbit of PIS V1.0, V2.0, V3.0() copyright attestation.是什么意思_DMG has owned PIS V1.0(public transportation system) with system of traffic of orbit of PIS V1.0, V2.0, V3.0() copyright attestation.在线翻译_英语_读音_用法_例句