CPVC????????????
1.??????:cpvc???????????????????????????????????.?????????????????????????????;????????????????????????;????治????????????ε????.??????????????????????????,????????????????????????
2?????????,????????????????2X2???,????????????С??1m.
3?в????????????????·???п??洩?·???.
4????????ù????????10m,?м????????2.0m.
5??????,?????????????,??????б.
6????????????????,??????ù?????,?????????????????,?????
7?????????????????????????,??????????????
???????
???????PE???????п??????????
???????????PE?????????????