单词	double-decker sandwich
释义	double-decker sandwich 双层三明治
随便看	maintenance interchangeability maintenance interrupt signal Maintenance Inter-Service Office Maintenance Inter-Service Support Group Center Maintenance interval maintenance interval of vehicle maintenance intervals maintenance inventory Maintenance Inventory Center maintenance inventory control system maintenance investment maintenance items maintenance job Maintenance Job Request maintenance kit maintenance knowledge description maintenance labor force maintenance latency time maintenance lease maintenance level maintenance levels maintenance library maintenance life maintenance-life ratio maintenance limit