tacker
敲平頭頂的人,敲平頭釘器
tacker
n 1: a worker who fastens things by tacking them (as with tacks
or by spotwelding)
2: a sewer who fastens a garment with long loose stitches [syn:
baster]
3: a hand-held machine for driving staples home [syn: staple
gun, staplegun]