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。
2931.45
Non-halogenated organo-phosphorous derivatives; salt of methylphosphonic acid and (aminominomethyl) urea (1:1)
AU 29314500
BR 2931.45.00
CA 29314500
E2 2931450000
EU 29314500
GB 2931450000