trial steel work fixing 钢梁结构试装配
thyssen iron & steel work 蒂森钢铁厂
hot work die steel 热锻模用钢 ; 热锻模具钢 ; 热作模具钢
steel work west bank 钢铁工程
clod work die steel 冷锻模用钢 ; 热锻模用钢
Stainless Steel Work Table 不锈钢工作台
N a frame, foundation, or building, or article made of steel 钢结构; 钢骨架; 钢制构件
the steelwork of a skyscraper
词组短语
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