provisional classification certificate的意思|示意

临时入级证书 ... provisional classification certificate 临时船级证书 provisional classification certificate 临时入级证书 provisional contract 临时契约 ...

临时船级证书 machinery classification certificate 轮机入级证书 provisional classification certificate 临时船级证书 ; 临时入级证书 Classification Certificate for Hull 船体入级证书 ..