You are right!# p& P& ?, e- G: N) k
serger 4 |/ }. c- E# h! @2 V5 P 拷邊機 $ E( j/ u" f. Z serger7 ~1 [) V' m4 p2 u/ V
n : a sewing machine that overcasts the raw edges of a fabric# r( C- l8 |. t0 @. P" x& B( M9 H
with a V-shaped stitch& I& d- B$ k" p: C8 n7 \: X* h* m( Z* K