drag-line bucket 拉索挖掘机抓斗
drag-ladledragade drag-line 拖索挖掘机
drag-line 拉线
power drag line 机械铲
drag line dredge 拖斗式浚挖机
effective length of drag line 有效缆长
Line Drag 沿线拉伸 ; 其他还有很多方法
slack line cableway drag scraper 回速式索道挖土机
target and line drag 空靶和拖靶绳的空气阻力
Successfully getting the solution of the ultimate embedded depth provides a foundation for determining the shortest length of the drag line.
极限嵌入深度的成功求解为确定拖曳所需最短缆长提供了基础。
The effective length of the drag line will be obtained by solving the reverse catenary equation and then the expression of trajectory in actual state will be derived.
通过对反悬链方程的求解推求有效缆长，继而得出了实际状态下的轨迹表达式。
In actual state, the change of the embedded point and the characteristic of the reverse catenary are taken into account. This paper will propose the concept of effective length of the drag line.
实际状态下，考虑嵌入点的变化和嵌入缆的反悬链特性，提出了拖曳缆有效缆长的概念。
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