ship rs preventive inoculation certificate
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美
- certificate n.执照；证(明)书vt.认可；批准；发证书给...
- inoculation n.接插芽；接木；接种疫苗
- preventive adj.预防的；防病的n.预防物；预防性措施
- rs abbr.无线电台(=RadioStation)abbr.继电器式选择器(=RelaySelector)abbr.反转信号(=ReverseSignal)
- ship n.船；舰v.装运；(用船)运送；上(船)；乘(船)
