Kukhona izinto ezintathu ezibalulekile zamabhawodi ebanga le-12.9 (ihange le-wedge engu-12.9, i-12.9 ngokusebenzisa ibhawudi): ihange lensimbi yensimbi yensimbi, ihange lensimbi engagqwali, nethusi.(1) Insimbi ye-Carbon (njenge-carbon steel Wedge Anchor Bolts).Sihlukanisa insimbi ye-carbon ephansi, insimbi ye-carbon steel, i-carbon steel ephezulu kanye ...
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