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大管轮 | |
nautic. tech. | second engineer officer |
shipb. | first engineer |
X.509 证书 | |
IT | X.509 certificate |
证书 | |
gen. | credential |
corp.gov. | credentials |
interntl.trade. | voucher; attested document; certificate of appointment |
met. | letter |
| |||
second engineer officer | |||
first engineer | |||
| |||
first engineer |
大管轮 : 7 phrases in 3 subjects |
Oil / petroleum | 1 |
Shipbuilding | 4 |
Technology | 2 |