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。
2911.00
Acetals and hemiacetals; whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives
AE 291100
AR 291100
AU 29110000
AU 291100
BR 291100
BR 291100