“弯针”造句

发现弯针后, 不可再行提插、捻转等手法.
When the needle is bent, lifting , thrusting and rotating shall be no longer conducted.

连杆式送料机构, 针杆挑线 、 弯针勾线形成双线链式线迹, 线迹牢固且富有弹性.
Connecting rod feeding mechanism , needle bar basting, looper hooking form parallel chain - stitch, which stitch is firmelastic.

• #弯针