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二、各部分的名称 Second, the name of each part
Needle bar guard
Presser foot
adjustment
screw
Thread take-up
guard
Finger guard
Eye guard
简介：K4机器电控与机械一体，可以在机器上调节电控相关参数，实现了人性化的
人机交换模式，操作便利！
Silicone oil
reservoir
(Upper)
PLUG
Oil
sight
window
Indication
plate
图 Figure2-1
2 / 51
Operatio
n panel
Stitch
adjustment
knob
Thread
guide
Thread
tension
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