?????：????? ??? ????? ??????? ????? ??????? ??????? ?????? ??????? ???? ?????????????? ?? ????? ?????? ??? ???? ?? ?????? ?????? ???? ??????? ????????? ??????? ?????????? ??????????.??? ????? ??????? ????? ???????? ??????? ??????? ??????? ??????? ??? 147-245 ?????????.??? ???? ?????? ????? ????? ???? ???? ??? ????? ????? ???????????? ????? ??????? ?? ??? ??????? ???????? ???????.
???????：???????: ????? ?????????? ????? ????? ??????? ???????????????? ????????????? ??????? ?????????? ??????????? ??????????? ????? ??????? ???? ???? ?????? ????????? ?????.??? ???? ?????? ??????? ??? ??????? ??????? ????????.?? ??????? ???? ?????? ???? ???? ?????.
????????：????? ??????????? ?????????? ?????????????????? ????????????? ???????????? ???? ??????????????????? ?????????? ??????? ?????? ????????????????????? ??????? ??????? ???????? ???? ??????? ???? ???????.
???? ?????：?? ????? ?????? ?? ???? ???? ???? ??????????? ???? ????? ?????? ??? ??????.???????? ?????? ???? ????? ?? ?? ???? ???? ?????????????? ????? ???? ?????? ???? ???????????? ?????? ????? ??????.???? ????? ?????????? ?????? ??????? ?? ???? ?????????? ????? ?????? ?? ???? ???? ???????.
?????????：1. ??????? ??????? ??????? ????? ??????? ?? ?????? ??? ??????? ???????? ????????? ???????? ??????? ??????? ???????? ??????. 2.?????? ????? ?? ???? ???? ??????? ??? 300 ????????.
???????：1.??????? ?????????? ?????????????? ??????? ????????? ??????? ?????? ?????? ????? ??????? ???? ????????? ????????????? ?????? ????? ????? ?????? ?? ???? ????? ???????. 2.???? ????? ??????? ???? ???? ?????? ????????? ????? 3.???? ??????? ???????????????? ???????? 4.????? ????? ???? ?????? 5.????? ???? ????????????? ????? ??? ??????????? ??????? 7.????? ?????? 15%-30%?????????????? ???? ????? 6.???? ?????? ??????? ??? ??????? 8.????? ????? ???? ??????
??????? ???????????：
| ????? | ???? ?????? (?????×?????) |
???? ???? ?????? (?????) |
?????? ????????? (?? ?? ??????) |
???? ?????? ???? ??????? (?????? ?? ??????) |
?????? ??????? (???????) |
???? ??????? ????? ?????? (?????) |
????? (?????) |
| PE-250×400 | 250×400 | 210 | 5-20 | 300 | 15 | 20-60 | 2.8 |
| PE-400×600 | 400×600 | 340 | 16-65 | 275 | 30 | 40-100 | 6.5 |
| PE-500×750 | 500×750 | 425 | 45-100 | 275 | 55 | 50-100 | 10.1 |
| PE-600×900 | 600×900 | 500 | 50-120 | 250 | 55-75 | 65-160 | 15.5 |
| PE-750×1060 | 750×1060 | 630 | 52-180 | 250 | 110 | 80-140 | 28 |
| PE-800×1060 | 800×1060 | 650 | 85-143 | 250 | 110 | 100-200 | 30 |
| PE-870×1060 | 870×1060 | 670 | 181-210 | 250 | 110 | 200-260 | 30.5 |
| PE-900×1200 | 900×1200 | 750 | 140-260 | 200 | 110 | 95-165 | 50 |
| PE-1000×1200 | 1000×1200 | 850 | 160-300 | 200 | 110 | 195-265 | 51 |
| PE-1200×1500 | 1200×1500 | 1020 | 300-600 | 180 | 160 | 150-300 | 100.9 |
| PEX-250×750 | 250×750 | 210 | 8-22 | 330 | 22 | 25-60 | 4.9 |
| PEX-250×1000 | 250×1000 | 210 | 16-52 | 330 | 30-37 | 25-60 | 6.5 |
| PEX-250×1200 | 250×1200 | 210 | 20-60 | 330 | 37 | 25-60 | 7.7 |
| PEX-300×1300 | 300×1300 | 250 | 20-90 | 330 | 55 | 20-90 | 11 |
