Mphamvu zokutira zitsulo purlin amapangidwa ndi kanasonkhezereka purlins (C-gawo zitsulo, Z-gawo zitsulo) monga zakuthupi m'munsi.Pambuyo kukanikiza, kupanga dzenje, kudula ndi kupanga, ufa wa epoxy resin umatenthedwa pa kutentha kwakukulu kuti umizidwe ndi kusinthidwa, ndikukonzedwa ndi kuchiritsa ...
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