檢查(cha)井(jing)(jing)是(shi)一(yi)種(zhong)安裝埋置(zhi)(zhi)在地(di)表以下土壤中(zhong)與城(cheng)市排(pai)水(shui)(shui)(shui)、排(pai)污(wu)管(guan)網相連接的配套設施，主(zhu)要由井(jing)(jing)蓋、井(jing)(jing)筒、井(jing)(jing)室(shi)、流槽(cao)等組成。檢查(cha)井(jing)(jing)一(yi)般(ban)設置(zhi)(zhi)在排(pai)水(shui)(shui)(shui)管(guan)道交匯(hui)處(chu)、轉彎(wan)處(chu)、管(guan)徑或坡度改變處(chu)、跌(die)水(shui)(shui)(shui)處(chu)以及直線管(guan)段上每隔30-50米距(ju)離處(chu)，是(shi)該(gai)地(di)域部分排(pai)水(shui)(shui)(shui)管(guan)網的匯(hui)合(he)樞紐，是(shi)檢查(cha)...