[dǐ bǎn]
baseboard; baseplate; footwall; [采礦] floor （位于礦脈下面的巖層， 亦稱“底幫”、“底盤”或“下盤”） ; chassis base; flask board; header; [工] soleplate; solepiece; turning over board; [機] shoe; [電子] sole; [冶] bottom board; back plane; backboard; backing sheet; bay; bed plate; bottom plating; housing shoe; ledger; main base; mat; negative matrix; panel; seating; subplate; support plate; underplate