iron ore bed
白铁矿层 cat claw
黄铁矿层状矿床 pyritic bedded deposit
褐铁矿层 limonite bed
黄铁矿层矿脉 pyritic bedded vein
层状铁矿 bedded iron ore
泥质薄铁矿夹层 chitter
夹层含铁矿石 banded-ironstone
他们开出一个富铁矿层。
They struck a rich seam of iron ore.
《牛津词典》
在石煤层或其上部的碳质页岩中含黄铁矿层。
In the stone coal layer and the overlying black shale, there is a pyrite layer.
youdao
织金煤田西南矿区龙潭组、长兴组广泛发育菱铁矿层。
Siderite is vastly developed in the Longtan, Changxing formations in southwestern mine area, Zhijin coalfield.
应用推荐
模块上移
模块下移
不移动