 |
| |||
| 导管; 配气机构气门导管 | |||
| 闸门杆导向装置 | |||
| 导向杆 | |||
| 柄的导承 | |||
|
stem guide : 9 phrases in 5 subjects |
| Automobiles | 2 |
| Hydroelectric power stations | 3 |
| Mechanic engineering | 1 |
| Rail transport | 1 |
| Technology | 2 |
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