短語詞組短語tough alloy steel detail 韌合金鋼Tough Alloy Steel 韌合金鋼;韌性合金鋼;韋合金鋼Tough As Steel 韌如鋼tough and hard steel 高韌性鋼Special Tough Steel 特別艱難鋼super tough steel 超韌性鋼Tough at Subzero Steel 耐低溫鋼high strength notch tough steel 高強(qiáng)度缺口韌性鋼 返回 tough steel