長沙市政泥漿清運若曾用(yong)鏹水傾兒又請工(gong)入(ru)用(yong)鐵(tie)枝(zhi)(zhi)通(tong)過(guo)而稍暢，但后(hou)來又不(bu)(bu)去水，則不(bu)(bu)適宜再用(yong)鐵(tie)枝(zhi)(zhi)，恐防 腐(fu)蝕過(guo)之水渠(qu)被通(tong)穿(chuan)。可改用(yong)粗(cu)(cu)藤條，藤條頭可釘(ding)十口(kou)八(ba)口(kou)寸長(chang)鐵(tie)釘(ding),一面(mian)伸入(ru)一面(mian)打轉攪動，把雜物搞松，然(ran)后(hou)用(yong)濃饒堿溶液灌入(ru)，再把藤條推進拉出，如是持續多次，當可收效(xiao)。除(chu)了粗(cu)(cu)藤外(wai)，也可往五金鋪買彈簧通(tong)渠(qu)器(qi)，效(xiao)果(guo)更好。一般人(ren)用(yong)的鹽、白醋、吸管等，均不(bu)(bu)能(neng)奏效(xiao)。