Maximize the stitch length, and turn the handwheel until walking foot 1 reaches its front end position. Now, loosen screw 2 in the center shaft bell crank.是什么意思_Maximize the stitch length, and turn the handwheel until walking foot 1 reaches its front end position. Now, loosen screw 2 in the center shaft bell crank.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句