???
????????????????????????????;???????????????; ??????????? ??????20%?
???????100?????????100?/??30%??100??????????250?/????????5%????????????????????????????????????????
1 ???????????????????????
2 ?????????????
3 ??????????
4 ???????????
5 ????????
6 ??????????????
7 ???????????????????
??????
1 ??????? ??????5-15%??25%
2??????? ???????????
3???????(??)?????
?????????????????????????
?????????????????????????????????????????????????????????????????????????????????????????????...
“???” 的相关文章
??
???????? ??3?????????200?????502?/3?????500?????????????????????????? ? ?? ??????????????????5??? ????06?????59.52?/???10.45???0.62?????????????2?????????????????? ???? ?? ? ?? ?? ??5 1.???85?????????????? 2.??? 3.??????????????????? 4.??????? 5.?????? ??????????????????????????????????????????????...
???
????????????????????????????????????????????????????
?? ??????
??? 2010-04-17 01:29 ???????????????????????????
??? 2010-04-17 01:36 ?????????????
?? 2010-04-17 01:40 ????
...
?? ??????
??? 2010-04-17 01:29 ???????????????????????????
??? 2010-04-17 01:36 ?????????????
?? 2010-04-17 01:40 ????
...
?????
1???????????
2?????????????????????????????????????
3??(??)?????????????(?????)??
4??????
5??()?????????PVC(?)??????PVC?????PH??????
6????PVC????
7??????
???????
?
??3?????????200?????502?/3?????500??????????????????????????
? ??
??????????????????5???
?...
2?????????????????????????????????????
3??(??)?????????????(?????)??
4??????
5??()?????????PVC(?)??????PVC?????PH??????
6????PVC????
7??????
???????
?
??3?????????200?????502?/3?????500??????????????????????????
? ??
??????????????????5???
?...
???
???????p?????????????????????????????
?????
???????????????????
?????????????????????????????????????????????
?????????????????????
???????
???????????????
????
?????????1.3?
1.?????????D3?????
2.????????????????D3??????
3.????????????
4.????????????
??????
???????
1.????????????????...
?????
???????????????????
?????????????????????????????????????????????
?????????????????????
???????
???????????????
????
?????????1.3?
1.?????????D3?????
2.????????????????D3??????
3.????????????
4.????????????
??????
???????
1.????????????????...
?,??
??????????
????????????????1--460???????90--95????????????????????;???
??0.1--2;??0.4;?50????1?
??????;????;???;????????????;????????????????????????????????A??
?????()??????????????(?h?)????
??????()
1??
???3?3????????
2????
?120?60??15??????15?
3?
?30?30??150??()?????????()??
4?
?60??60???????????...
????????????????1--460???????90--95????????????????????;???
??0.1--2;??0.4;?50????1?
??????;????;???;????????????;????????????????????????????????A??
?????()??????????????(?h?)????
??????()
1??
???3?3????????
2????
?120?60??15??????15?
3?
?30?30??150??()?????????()??
4?
?60??60???????????...