rigid steel frame

短语词组

短語

• rigid joint steel frame 剛性框架
• semi -rigid steel-frame structure 半剛接鋼框架
• half a rigid steel frame 半剛性鋼框架
• Portal steel rigid frame 組郃門架
• steel rigid frame 剛性鋼搆架
• steel l rigid frame 剛性鋼搆架
• slant -legged steel rigid frame 斜腿剛搆
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