1. Anti-corrosive fausaga o 3PE anti-corrosive uamea paipa 3PE anti-corrosion masani e aofia ai le tolu laulau: o le vaega muamua o le epoxy paʻu (FBE> 100um), le vaega lona lua o le pipii (AD) 170 ~ 250um, ma le lona tolu vaega ole polyethylene (PE) 2.5~3.7mm.I le gaioiga moni, o le tolu mat...
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