An example is a bolt hole circle, in which the diameter of the bolt circle, the spacingof thebolt holes, and other parameters must be specified.
例如螺栓孔圆形，螺栓圈的直径，其中必须指定螺栓孔和其他参数的间距。
2
The quantity of explosives and the blast-hole spacing are dependent upon the type and structure of the rock and the diameter and depth of the blast holes.
用药量和炮眼间距取决于岩石的范例和布局以及炮眼的直径和深度。
3
The type of explosive used, rock properties, and method of loading and sequence of firing the holes, affect hole depth, diameter, alignment and spacing.