FRPP管(guan)材實(shi)壁結(jie)構與(yu)同口(kou)徑實(shi)壁管(guan)材相(xiang)比降(jiang)低了(le)重量(liang)和成(cheng)😥本。管(guan)材表(biao)觀波(bo)紋形(xing)設計(ji)成正(zheng)弦波(bo)紋形(xing)狀，與(yu)傳統(tong)的矩(ju)形波(bo)紋相(xiang)比，提(ti)高了(le)産品(pin)的環(huan)剛度(du)在金(jin)屬管(guan)件與(yu)新💞型(xing)塑料(liao)👻管連(lian)接部(bu)位，管(guan)😗卡應(ying)設在(zai)金屬(shu)管件(jian)一邊(bian)緣。