Ibhulakhethi
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I-Hot dip galvanized Angle bracket yensimbi engagqwali
Ukusekelwa okusekelwe ngqo kukholamu yekhonkrithi eqinisiwe kuvame ukusekelwa, ngokuvamile kuthatha i-1/5 ~ 1/10 yesikhala. Ubude be-internode yokusekelwa ngokuvamile buyi-2m noma i-3m.