-
Adjust the needle thread tension properly.
请调节上线张力。
youdao
-
Decrease the tension and increase the stroke of the thread take-up spring.
调弱挑线弹簧的张力，调大动作行程。
youdao
-
Decrease the tension and increase the stroke of the thread take-up spring.
调弱挑线弹簧的张力，调大动作行程。
youdao