车轮矿晶体,属斜方晶系,呈短柱状和板状,性脆,具有金属光泽,常呈钢灰色至暗铅灰色。
Bournonite crystals belong to the orthorhombic form of short columnar and plate, brittle, with metallic luster, often Chenggang grey to dark grey.
材料面板采用了预锈钢、条钢筋和灰色金属壁板。
The material palette includes pre-rusted steel, strips of rebar and grey metal siding.
钒是一种灰色的金属,通常作为铁和不锈钢的合金元素。
A grey metal that is normally used as an alloying agent for iron and stainless steel.
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