RK-SWG-2型(xing)水位管由PVC工(gong)(gong)程塑(su)料制(zhi)成(cheng),包(bao)括主導(dao)管(guan)、連接管(guan)(另購)、底蓋(gai)(另購)。主導(dao)管(guan)上(shang)打有(you)四排孔洞,保(bao)證有(you)足(zu)夠的(de)透水道,并在(zai)管(guan)外包(bao)有(you)土(tu)工(gong)(gong)布擋(dang)住(zhu)泥沙(sha)進行過(guo)濾。是(shi)測(ce)量水位*的(de)重(zhong)要材料。