Schematic cross-section size tire 轮胎断面尺寸简图
The factor that affect the well lane stability has primarily: Round the rock kind, well lane position, tunnel stalk line direction, cross section size, break rock method etc.
影响井巷稳定性的因素主要有：围岩性质、井巷位置、巷道轴线方向，断面尺寸，破岩方法等。
Flat tube in any cross section are oblong, the length of the shaft according to the tube pitch to determine the size of.
扁管在任何一个截面均为长圆形，其长短轴根据管心距的大小来确定。
The uniformity of water distribution is related to section cross, water depth, trough width, pore size, pore distance and bottom slope.
配水的均匀性与配水槽的断面、水深、槽宽、孔径、孔距、底坡等因素有关。
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