单项选择题
A．export；purchase contract B．import；purchase contract C．export；sales contract D．import；sales contract
A．Certificate of Inspection B．Certificate of Quarantine C．Non-wooden declaration D．Certificate of Origin
A．美国；英国；英国；沈阳 B．英国；美国；英国；沈阳 C．美国；美国；英国；大连 D．英国；英国；美国；大连