词汇	double-track bridge
释义	double-track bridge 复线桥
随便看	mariner marinera marine radar marine radar antenna Marine Radar ARPA Speech Terminal marine radar band marine radar camera marine radar display marine radar interrogation transponder Marine Radar Interrogator-Transponder marine radar observer trainer marine radar receiver marine radiant boiler marine radiation effect marine radio marine radioactive contamination marine radioactive pollution marine radioactivity marine radio aid marine radio aids marine radio beacon marine radiobeacon station marine radio beacon station marine radio communication marine radio direction finder