drilling operating
| instruction
| drilling operating | |
| chem. | 钻孔; 操作; 钻孔工序 |
| 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 |
| |||
| 钻孔; 操作; 钻孔工序 | |||
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drilling operating : 1 phrase in 1 subject |
| Technology | 1 |