this machine is very suitable for the sewing of most fabrics except for those which have a great deal of elasticity, when a machine with a loop formation to the stitch would be more appropriate.
这种机器适用于缝制多数面料,但不适用弹性十足的面料,带有成圈装置的机器适合用来缝制弹性十足的面料。
the promotive effect of the nanjing raoyue expressway loop formation on the development of nanjing city is studied from city space, society, economy and environment.