maintenance operating
| instruction
| maintenance operating | |
| avia. | 维修操作 |
| instruction | |
| gen. | 吩咐; 训令 |
| hydroel.st. | 说明书; 指令 |
| interntl.trade. | 指南 |
| manag. | 命令 |
| math. | 命令语 |
| sport. | 指示 |
| |||
| 维修操作 | |||
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maintenance operating : 46 phrases in 18 subjects |