?????????????
3??1250??6000 32??
3??1800??7500 90??
4??1500??6000 32??
4??1500??8000 90??
4??1500??8000 90??
4??1800??8000 32??
5??1800??8000 21??
5??1800??8000 90??
6??1800??8000 35??
???????????
????????
??????????????????????????????????
???????????????????????????????????????????
?????????????????????????????????????????????л??????????
????????40*1800*8m??q420qe????????г????????????