opencast
adj.露天挖掘的
难易程度:
opencast为短语/超纲词汇
opencast
adj [usu attrib 通常作定语] (of mines or mining) at or from a level near the earth's surface （指矿或采矿）露天开采的
*opencast coal-mining 露天采煤. Cf 参看 deep-mined (deep2).
*opencast coal-mining 露天采煤. Cf 参看 deep-mined (deep2).
opencast
adj [usually before noun]BrE
an opencast mine is one where coal is taken out of holes in the ground near the surface, not from deep under the ground
opencast mining
an opencast mine is one where coal is taken out of holes in the ground near the surface, not from deep under the ground
opencast mining
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