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| 81. | continuous withdrawal |
| 连续开采 |
|
|
| | |
| 82. | timbered stoping |
| 支架开采 |
|
|
| | |
| 83. | intensive exploitation |
| 集约开采 |
|
|
| | |
| 84. | sequence of mining |
| 开采程序 |
|
|
| | |
| 85. | working of lodes |
| 矿脉开采 |
|
|
| | |
| 86. | selective zone production |
| 分层开采 |
|
|
| | |
| 87. | hydrocarbon recovery |
| 烃类开采 |
|
|
| | |
| 88. | direction of extraction |
| 开采方向 |
|
|
| | |
| 89. | high level of production |
| 高速开采 |
|
|
| | |
| 90. | overriding royalty interest |
| 开采权益 |
|
|
| | |