| 单词 | upper plate |
| 释义 |
upper plate
英语例句库
Since the method causes serious depletion of ore during mining of upper plate,the inclined cutting raise heading together with inclined medium or deep hole kerve is suggested. 以无底柱为代表的崩落采矿法中,切割拉槽至关重要,而目前无底柱采矿大多采用垂直切割天井与切割平巷并配以中深孔联合拉槽的切割方法,但该方法在对矿体上盘回采过程中损失贫化较大。
原声例句
经济学人-科技 The third objective, efficient design, involved sandwiching the nanostructured bismuth telluride between two copper plates and then enclosing the upper plate (the one coated with the light-absorbing oxides) and the bismuth telluride in a vacuum. 第三个目标是高效的设计，它涉及到把纳米级的碲化铋夹在两片铜薄片之间然后把位于上方的薄片（这个薄片被覆盖上了吸收光线的氧化物）和碲化铋封入一个真空内。 |
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