vt.重穿進(jìn)
After rethread,the head can go back to where the thread broke an dreturn further severalstitches along original path,then start sewing again. 穿好線后，機(jī)頭能復(fù)位到斷線處并沿原路往倒退數(shù)針，然后繼續(xù)絎縫。
