如题所述
没有这个单词，根据您的拼写来看，考虑应是：purlin.
purlin
英['pɜ:lɪn] 美['pɜ:lɪn]
n. 檩条; 檩桁条; 梁;
[例句]The roof system consists of main purlin, bottom plate, secondary purlin, absorption sound layer, insulating layer and faceplate.
屋面系统由主檩条、底板、次檩条、吸音层、保温层和面板组成。