borings例句

The holes are only borings, less than a foot in diameter.
油井仅仅是一些钻孔, 其直径不到一英尺.

These borings consist of rock fragments, ash coal and other materials.
这些孔屑包括石头碎片、灰尘、煤渣和其他东西.

Based on thermodynamics principle, the feasibility for melting iron borings in cupola was ana lysed.
从热力学角度分析了在冲天炉内熔炼铸铁切屑的可行性.