?等边角钢
...等边角钢 angle steel with unequal legs; angle with unequal legs; l bar; l beam; unequal angle bar; unequal angle iron; unequal angle steel; unequal angles; unequal sided angle iron; unequal-angle bar; unequal-leg angle; unequilateral angl...
等边角钢 ; 等边角铁
等边角钢
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