国际航空 | |
interntl.trade. | international air mail |
安全 | |
dat.proc. | system security |
econ. | stabilize |
environ. | safety |
hydroel.st. | security; safety |
met. | safety |
space | safety,reliability,and quality assurance; security |
调査员 | |
archit. | surveyor |
协会 | |
tech. | Association |
| |||
international air mail |
国际航空 : 220 phrases in 24 subjects |