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| pipework | |||
| pipeline system; piping system; pipe line; piping | |||
| 管线系统: 32 phrases in 12 subjects |
| Aviation | 6 |
| Business | 1 |
| Economy | 1 |
| Electronics | 6 |
| Management | 1 |
| Metallurgy | 2 |
| Navigation | 1 |
| Oil / petroleum | 7 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 4 |
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