含铁类合金中的基本或主要金属是铁质。
Ferrous alloys are those in which the base or primacy metal is iron...
铁类矿物药所具有的营养与补益作用、治疗作用值得引起重视。
Its nourishing and tonifying effect and the therapeutic action are indeed worthy of attention.
我国不少地方的地下水属于第二类型含铁地下水。
The ground water in many areas of China is of second type iron bearing groundwater.
正是原子构成了铁、水、氧等类物质。
It is the atoms that make up iron, water, oxygen and the like.
正是原子构成了铁、水、氧等类物质。
It is the atoms that make up iron, water, oxygen and the like.
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