hook feed 中文意思是什麼
hook feed
解釋
鉤式送料-
The ideal lower tension can now be achieved as a result of improvements in the thread take - up, rotary hook and feed mechanisms
通過對挑線桿旋梭送料機構的合理改良,可在降低張力的條件下獲得理想滿意的縫紉效果。
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