 |
| |||
| 加重; 增重剂 | |||
| 加重材料 | |||
| 加重剂 | |||
| 泥浆加重材料; 充填物 | |||
| 加重物; 加重剂 (钻探时加人泥浆中的) | |||
|
утяжелитель : 8 phrases in 4 subjects |
| Drilling | 4 |
| General | 2 |
| Oil / petroleum | 1 |
| Sports | 1 |
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