1) direction of extraction
开采方向
2) reverse direction mining
反向开采
1.
Researches have been conducted in regard to the Stubble Repeating relationship at the Fifth and Sixth Seam at the Ping Dingshan Fifth and Sixth Coal Mine and the coal Pressure appear rule during the face mining,and the reverse direction mining method has been set down.
研究了五六矿戊己组煤层的压茬关系及工作面开采矿压显现规律,制定了反向开采实施方案。
3) taking up
向上开采
4) unidirectional working
单向开采
5) working from bottom up
上向开采
6) working to the dip
下向开采
补充资料：Ik(反向运动)
ik (反向运动)
inverse kinematics(ik)反向运动是使用计算父物体的位移和运动方向，从而将所得信息继承给其子物体的一种物理运动方式。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条