channel beam
英 美
The invention discloses a light steel stud, which takes the structure of a channel beam or an I beam, and a preformed opening (22) is arranged on the light steel stud (12).
本发明公开了一种轻钢龙骨,成槽钢或工字钢结构,轻钢龙骨(12)上开设有预留口(22)。
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