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                PPұ

                PVCϩ

                FRP

                Ҏmm

                35

                50

                80

                35

                50

                80

                35

                50

                80

                ҎƬ/m2

                27

                19

                12

                27

                19

                12

                27

                19

                12

                Ƭmmӆ

                1-2

                1-2

                1-2

                1-2

                1-2

                1-2

                1-2

                1-2

                1-2

                kg/m2

                33-66

                23-46

                15-30

                50-100

                35-70

                23-46

                65-130

                45-90

                30-60

                γߴmm

                ͑ӆ

                ͑ӆ

                ͑ӆ

                ͷ

                FC

                aƷb

                FC

                60

                60

                60

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