单词	二阶格子文件
释义	二阶格子文件two-level grid file
随便看	maintenance engineering analysis record maintenance engineering analysis record，mear maintenance entity maintenance expenditure maintenance factor maintenance factor (obsolete) maintenance fault list maintenance food maintenance free maintenance-free maintenance-free battery maintenance free cell maintenance function maintenance gang maintenance gangway maintenance grant maintenance hangar maintenance history maintenance hook maintenance illustration maintenance indenture level maintenance, indirect maintenance-- indirect maintenance information maintenance in repair (as of railways)