packthread

名词 packthread:

1. a strong three-ply twine used to sew or tie packages

pack.thread

n.（名词）
A strong two-ply or three-ply twine for sewing or tying packages or bundles.
捆包绳，捆扎线：一种结实的两股或三股的绳，用来缝或捆绑包裹或包装物