permanent guide
| structure
| permanent guide | |
| mining. | 永久性罐道 |
| 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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| 永久性罐道 | |||
|
permanent guide : 3 phrases in 2 subjects |
| Navigation | 2 |
| Oil / petroleum | 1 |