thread chain 线辫

two thread chain stitch 双线包缝

single thread chain stitch 单线链状线

thread-chain cutter 线环切断装置

chain-off thread 辫线

two-thread chain stitch [服装] 双线锁缝线迹

thread-chain 线链

4-needle 8-thread chain stitch 四针八线链式线迹

single thread chain stitch zigzag 单线曲折链式线迹