???????????????
???????????????
??????????????????????????????PVC???????????????????????????????????????????壬?????????????м???к????????????????????????·??????л???Τ??1902GHD???????????????????Τ??1902GHD????????????????????????YT-100???????????????PVC????????м?????????????PVC?????λ??????YT-100?????????????????????????????н????????壬???????????????м???????????壬??????????λ??????????????????????????????????????????????????????????????·??????п?????y???????????????????????????????????????????????????????????????
1 .???????????????????1????PVC???????6??????????????9????????????????????????1?????????????????????壨2??????????????壨2?????м???к?????????3????????????????壨2?????·??????л???Τ??1902GHD??????????????4?????????Τ??1902GHD??????????????4??????????????YT-100???????????5????????PVC???????6?????м???????????7??????PVC???????6??λ??????YT-100???????????5??????????????7????????????н????????壨8??????????????????9?????м???????????壨10????????????????9??λ??????????壨2??????????????????壨10???????????????????????11??????????????????9?????·??????п????12?????????????1?????????????13?????????13??????????в????14?????????????14??????????????????15?????????????1?????·?????е?????16???????????16?????·?????й????17????
2 .??????????1??????????????????????????????????7????PVC???????6???????????????????????????壨8????????PVC???????6???????????????
3 .??????????1???????????????????????????????????11???????????????壨10???????????????????????11???????????壨10????????????30??н??
4 .??????????1??????????????????????????????PVC???????6??????????????9?????·????????п????12??????PVC???????6??????????????9???????12????????????????
5 .??????????1???????????????????????????????????14????????13????????1?????????????????????????0-120??
6 .??????????1???????????????????????????????????15???????γ?????????????????15????????14????????????????з????