narrow seam

例句 (10)

• The miners discovered a narrow seam of coal deep underground.矿工们在地下深处发现了一条狭窄的煤层。
• Geologists mapped the extent of the narrow seam of gold ore.地质学家们绘制了狭窄金矿脉的范围图。
• Despite its narrow seam, the mineral deposit proved to be quite rich.尽管矿藏狭窄，这条矿脉却相当富饶。
• Working in such a narrow seam presented significant challenges for the extraction team.在如此狭窄的矿层中工作给开采团队带来了巨大挑战。
• They had to tunnel through solid rock to reach the narrow seam of copper.他们不得不穿过坚硬的岩石才能到达那条狭窄的铜矿脉。
• Over time, erosion exposed a narrow seam of ancient volcanic ash.随着时间的推移，侵蚀作用暴露出了一条狭窄的古火山灰层。
• The drill bit hit a narrow seam of shale, indicating a change in rock type.钻头碰到了一条狭窄的页岩层，表明岩石类型发生了变化。
• It was a surprisingly long but narrow seam, stretching for miles.这是一条出人意料地长但狭窄的矿脉，绵延数英里。
• Finding even a narrow seam of diamonds can be incredibly lucrative.即使发现一条狭窄的钻石矿脉也可能带来巨额利润。
• The company decided not to exploit the narrow seam due to high extraction costs.由于开采成本高昂，公司决定不开发这条狭窄的矿脉。