比较 HS 编码
输入最多 5 个 HS-6 编码（逗号分隔），并排比较说明与各国对应编码。
5509.51
Yarn; (not sewing thread), of polyester staple fibres, mixed mainly or solely with artificial staple fibres, not put up for retail sale
US 550951
US 5509.51.30.00
AE 550951
AR 550951
AU 55095100
AU 550951