stalk dint line 轴力线
The problem of benefit resembles as an inside stalk line, piercing through in the human activities and history progress.
利益问题像一根中轴线，贯穿于人类活动和历史进程的始终。
The cave's initial principal stress is tectonic stress, and the Max main stress's direction is perpendicular to the power house's stalk line.
洞室地应力以构造应力为主，其最大主应力方向与厂房轴线方向近垂直。
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。
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