customs frontier

• 关境,海关管辖边境界

customs frontier的用法和样例：

例句

1. VAT on self-used articles brought or mailed into China by individuals shall be levied together with Customs Duty.
   个人携带或者邮寄进境自用物品的增值税，连同关税一并计征。
2. They were shot when trying to cross the frontier illegally.
   他们在企图偷越国境时被击毙。
3. Sanitary supervision at frontier ports should be conducted under the direction of the health quarantine officials.
   国境口岸卫生监督应在卫生检疫官员的指导下进行。