rigid steel frame

短语词组

短语

• rigid joint steel frame 刚性框架
• semi -rigid steel-frame structure 半刚接钢框架
• half a rigid steel frame 半刚性钢框架
• Portal steel rigid frame 组合门架
• steel rigid frame 刚性钢构架
• steel l rigid frame 刚性钢构架
• slant -legged steel rigid frame 斜腿刚构
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