??????????????????????
1????/??????
0.4~0.8mm??????/?硢???п??/?????塣
2??о??
(??)?????????120??150kg/m????50-150mm??
3?????????????????
0.4mm??0.8mm??п?塣
4??????????
950mm??1150mm?????40mm??150mm??????????
5?????汣?????
??PVC???????
??????????????????????????????????????????????????桢??塢??????????????????
