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single well
| chemical tracer
| single well | |
| el. | 单阱 |
| eng.geol. | 单井; 单孔 |
| chemical tracer | |
| chem. | 示踪原子; 化学指示 |
| eng.geol. | 化学指示剂 |
| met. | 化学示踪剂 |
| |||
| 单阱 | |||
| 单井; 单孔 | |||
| |||
| 单井 | |||
|
single well chemical tracer : 73 phrases in 15 subjects |
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