Unverified80% confidenceCautionTime unknown
顶天立地撑杆款依赖天花板与地面的顶压固定,仅适用于层高2.4-2.8m的实心楼板顶面,遇吊顶、石膏板或过高楼层无法牢固顶紧,撑杆款前需确认顶面承压结构
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Long-term
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