曲折锁式线迹，锯齿形锁式线迹的英文

zigzag lock stitch

• 曲折:    circuitos; intrica ...
• 锁式:    locking-type; latc ...
• 线:    thread; string; wi ...
• 迹:    mark; trace
• 锯齿形:    sawtooth; indent; ...
• 锁:    lock
• 式:    type; style