操典
- na.【军】drill regulations
- 网络drill book; field manual; training regulations
操典操典
drill book
英语新词汇与常用词汇的翻译(42) ... driftwood 流木 drill book 操典 drill master 教官 ...
field manual
机械工程英语翻译F-12... ... 场站维护 field maintenance 工地手册，操典 field manual 现场测定 field measuring ...
training regulations
什么意思... ... technical regulation 技术规程 training regulations 操典 treasury receipt (美国财政部发行的)国库券 ...