| |||
operation check; service inspection; service test; operational check |
使用检查: 11 phrases in 8 subjects |
Automobiles | 2 |
Aviation | 2 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Metallurgy | 1 |
Project management | 1 |
Sports | 1 |
United Nations | 2 |