中等倾斜顶板破碎矿体的开采，垂直分条充填采矿方法是一种较为有效的方法。
Vertical slicing by filled stopes method is effective to mine fracturing ore body with the roof of moderate inclination.
释放鼠标按钮，屏幕分成两部分，每一部分都有自己的垂直滚动条。
Release the mouse button and the screen splits into two views, each with its own vertical scroll bar.
规则：在图中由数字1和2分别表示参加相亲的女士和男士，每一个女士和一个男士都将被一条红线连在一起，红线只能通过格子中心沿水平或垂直方向行进。
Rule: Draw red lines match each number "1" with a "2". Lines can only go vertically or horizontally. Lines cannot cross or overlap each other or itself.
规则：在图中由数字1和2分别表示参加相亲的女士和男士，每一个女士和一个男士都将被一条红线连在一起，红线只能通过格子中心沿水平或垂直方向行进。
Rule: Draw red lines match each number "1" with a "2". Lines can only go vertically or horizontally. Lines cannot cross or overlap each other or itself.
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