pile guide
| structure
| pile guide | |
| tech. | 导桩 |
| structure | |
| gymn. | 编排; 成套动作 |
| hydroel.st. | 结构物; 建筑物 |
| hydroel.st. од. | 结构; 构造; 装置 |
| met. | 机构 |
| met. од. | 组织 |
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| 导桩 | |||
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| 导桩 | |||
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pile guide : 10 phrases in 5 subjects |
| Architecture | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 3 |
| Technology | 3 |