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ferruginous adj.1.鐵(質)的,含鐵的。2.鐵銹色的,赤褐色的。...

ferrule

The area is blessed with high - quality fine - grained ferruginous sand , charcoal and water from rivers , which are essential for sword making 它的知名完全得益于原料上乘的砂鐵和燃料(炭)及便利的河川水運。

Chromium , manganese and ferruginous manganese ores - sampling and determination of moisture content and size distribution 鉻礦石錳礦石鐵錳礦石.取樣及水分粒度分布的測定