Ubwoko bwibicuruzwa: umwenda umwe firime, imyenda ibiri firime imwe, firime nyinshi-nibindi nibindi. Ibicuruzwa bisobanurwa: uburinganire bwagace ka 200-1600g / m2, uburebure bwa firime 0.1-1.5mm, umurongo 0.8-6.6m Ibiranga ibicuruzwa: guhuza imiyoboro ya anti-seepage, imbaraga nyinshi, coefficient de fraisseux, kurwanya puncture, ...
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