舉例1.結(jie)(jie)構用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)（GB/T8162-1999）是(shi)用(yong)(yong)(yong)于一般結(jie)(jie)構和機械結(jie)(jie)構的(de)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。2.流(liu)體輸(shu)送(song)用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)（GB/T8163-1999）是(shi)用(yong)(yong)(yong)于輸(shu)送(song)水(shui)、油、氣(qi)等流(liu)體的(de)一般無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。3.低中壓鍋(guo)(guo)爐(lu)用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)（GB3087-1999）是(shi)用(yong)(yong)(yong)于制(zhi)造(zao)各種結(jie)(jie)構低中壓鍋(guo)(guo)爐(lu)過熱蒸汽管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、沸(fei)水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)及機車鍋(guo)(guo)爐(lu)用(yong)(yong)(yong)過熱蒸汽管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、煙管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、小煙管(guan)(guan)(guan)(guan)(guan)(guan)(guan)和拱磚管(guan)(guan)(guan)(guan)(guan)(guan)(guan)用(yong)(yong)(yong)的(de)碳(tan)素結(jie)(jie)構鋼(gang)(gang)熱軋和冷拔（軋）無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。4.高壓鍋(guo)(guo)爐(lu)用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)（GB5310-1995）是(shi)用(yong)(yong)(yong)于制(zhi)造(zao)高壓及其以上壓力(li)的(de)水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)鍋(guo)(guo)爐(lu)受熱面用(yong)(yong)(yong)的(de)碳(tan)素鋼(gang)(gang)、合金鋼(gang)(gang)和不銹(xiu)耐(nai)熱鋼(gang)(gang)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。

云南(nan)潤(run)農農業節水灌(guan)溉有限公司主要生產銷售(shou)節水灌(guan)溉，微噴(pen)，玉溪pe管(guan)材(cai)(cai)，微灌(guan)，塑料管(guan)材(cai)(cai)，施肥(fei)器等，pe管(guan)材(cai)(cai)批發，我們有的技術團隊，完善的服務體系，pe管(guan)材(cai)(cai)采購，歡迎新(xin)老客戶來電咨詢(xun)！

2、施測(ce)方法1）用(yong)經偉儀依據(ju)甲方移(yi)交的坐標點，加(jia)密道(dao)(dao)路中(zhong)心樁，每150m設一控制樁，并加(jia)以(yi)(yi)保護，用(yong)水(shui)準儀將高(gao)程(cheng)引測(ce)到附近建筑物上(shang)，做(zuo)上(shang)明顯的記號。2）采(cai)用(yong)方向法，配以(yi)(yi)直尺確定溝槽(cao)(cao)開(kai)挖(wa)邊(bian)線(xian)(xian)(xian)，用(yong)白灰(hui)撒出開(kai)挖(wa)線(xian)(xian)(xian)。3）溝槽(cao)(cao)開(kai)挖(wa)后進行龍門(men)樁設置，采(cai)用(yong)木板，間距不(bu)超過35m，將管道(dao)(dao)中(zhong)心線(xian)(xian)(xian)及(ji)高(gao)程(cheng)引測(ce)其(qi)上(shang)。

云南潤(run)農農業節(jie)水灌溉(gai)有限公(gong)司主(zhu)要生產銷(xiao)售節(jie)水灌溉(gai)，微噴，微灌，塑料(liao)管(guan)材，施肥器等，我們有的技術團隊，完善的服務體系，歡(huan)迎新老客戶(hu)來電(dian)咨詢！

PE管(guan)(guan)(guan)(guan)有中密度(du)聚(ju)乙烯管(guan)(guan)(guan)(guan)和(he)高(gao)密度(du)聚(ju)乙烯管(guan)(guan)(guan)(guan)。根據壁厚(hou)分為SDR11和(he)SDR17.6系列(lie)。前者適用(yong)于輸(shu)送氣態的(de)(de)人工(gong)煤氣，后者主要(yao)用(yong)于輸(shu)送。和(he)鋼管(guan)(guan)(guan)(guan)比較，施(shi)工(gong)工(gong)藝(yi)簡(jian)單(dan)，有一定(ding)的(de)(de)柔韌性(xing)(xing)，更(geng)主要(yao)的(de)(de)是不用(yong)作防腐(fu)處理(li)，將節省大量的(de)(de)工(gong)序。缺點就器械(xie)性(xing)(xing)不如鋼管(guan)(guan)(guan)(guan)，施(shi)工(gong)中特別的(de)(de)注(zhu)意熱力供暖(nuan)的(de)(de)安全間距，pe管(guan)(guan)(guan)(guan)材廠商，并且不能(neng)露于空氣中陽光下，并且對化學物品(pin)敏感，防止污水管(guan)(guan)(guan)(guan)道的(de)(de)泄露造成傷害。