bore-hole 是什么意思

	钻孔，膛孔；炮眼井眼。

a hole or passage made by a drill; usually made for exploratory purposes
同义词：bore, drill hole,

	1.	Specially constructed bore-hole seismometers are now available on the market . 目前在市场上已出售特制的钻孔地震计。
	2.	Olivine has been completely altered to serpentine, talc, and amphibole in the bore-hole examined in detail . 钻芯详细检查的结果，橄榄石全部蚀变为蛇纹石、滑石及角闪石。

bore-hole是什么意思