板簧

flat-bed sewing machine, free-arm sewing maschine

dry flat-abscess

plate link chain (flat articulated chain)

flat peach【园艺】;Prunus persica L. var. compressa Bean【园艺】

flat quick-connect termination【电】

asbestos cement board【建】;asbestos cement flat sheet【建】;asbestos cement plate【建】

flat-bed knitting machine with independently-movable needles

merchandise flat cost【会计】