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。
2920.21
Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, dimethyl phosphite
US 292021
US 2920.21.00.00
AE 292021
AR 292021
AU 29202100
AU 292021