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flat back | |
met. | 平背模型 |
polygr. | 平背装帧; 平书脊 |
sport. med. | 板样背 |
stope | |
el. | 开采面 |
eng.geol. | 采矿场 |
hydroel.st. | 回采工作面; 梯段形开采面 |
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平背模型 (pattern) | |||
平背装帧; 平书脊 | |||
板样背 | |||
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平-背的; 水平分层的 |
flat back stope : 16 phrases in 9 subjects |
Engineering geology | 1 |
General | 1 |
Gymnastics | 1 |
International trade | 2 |
Plastics | 1 |
Polygraphy | 3 |
Refrigeration | 1 |
Technology | 3 |
Textile industry | 3 |