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| 平行双线; 双线式明线 | |||
| 平行导线 | |||
| 矩形截面钢丝 | |||
| 平行双线; strand平行钢丝绳束 | |||
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| 平行线 (line) | |||
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parallel wire : 24 phrases in 9 subjects |
| Bridge construction | 4 |
| Communications | 1 |
| Drilling | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Project management | 1 |
| Technology | 12 |