single footing的相關資料：
臨近單詞
single mode
single
Single Screen Entry of Confirmations
single-disc electromagnetic clutch
single-flow centrifugal compressor
single-layer elliptic rotary shell
single-phase aircooled transformer
single-canvas front mounted binder
single sideband frequency modulation
single-welded butt joint with back
single fixed-field isodose pattern
single closed magnetic circuit relay
