英语词汇“actual mining face”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	actual mining face
释义	actual mining face 基本例句回采工作面 The coordinates of the centre point of a subsidence trough are calculated by the effect transference angle and the mining depth.利用平面图形几何重心公式计算回采工作面水平投影图形的重心坐标，然后根据影响传播角和开采深度计算下沉盆地中心位置的坐标。
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