色婷婷五月综合亚洲小说-国产精品久aaaaa片-在线亚洲97se亚洲综合在线-欧美三级午夜理伦三级-亚洲超清无码制服丝袜无广告

11042025

????? ??? ????? ????? ?????: ?????? ???? ?????? ????? ????? ????????? | ???? ???

?? ?????? ?????? ??????? ?????????? ??????? ???????: ????? ???? ?????? ???????? (????? ????? ? ??????? ?????? DN300-DN12...

??? ????????

10042025

???? ???? ???????? ?????? ?????? ???? ??? ???????? ?????????? PVC ?

????? ???? ?? ?? ?? ???????? ?????????? ??? ??????? ???????? ??????????? ????????: ?? ???? ?? / T 14823.2 ????? ???? ???...

??? ????????

07042025

PVC ????? ?????? ?????? ???????? 110MM ?????? ??????: ?????? ?????? ???? ??????

???? Hubei AD Building Materials (17399989993) ???????? ??????? ?????? ?????? PVC 110mm ?? ????? ?????? 8kN / m 2 ? ???...

??? ????????

05052025

HDPE ???? ???? ????? ?????? ????? ??? ??? B (????? ?????) ??? ????

Tel: 17399989993 HDPE ???? ????? ???? ??? ??? ????? B (????? ?????) ????? ????? ?? ?????? ? ????? ?????? ??? ??? SN8-SN2...

??? ????????

31032025

??? ???? ?? HDPE ???? ????? ???? ????? ?????? ????????

Tel: 17399989993 HDPE ????? ???? ???? ????? ?????? ???????? ????? ???? ????? ???? ???? ??????? ????? ?? ? ?????? ???? ??...

??? ????????

07042025

PVC ???? ???????? ?????? ??????

"???? ?? ???? ?????? (17399989993) ???? ????? ???? ?? ???? ?????? ?????? ????? ? ?????? φ 16-50 50 ?????? ????? ????????...

??? ????????

31032025

???????? ??????? ?????? ?????? HDPE ????? ???????? ??????? ?????? ?????? PVC: ??

???? ?? ???? ?????? (17399989993) ?????? ??????? ?? ??? ? ?? ?????? ?????? ?????? ???????? ???????? ??????????: ?? -40 ℃...

??? ????????

28042025

????? ??? ?? ???? ?????? ?????? ?????? ?????? ???? ????? ??? ?????? ? ????? ????

???? ???? Hubei AD Building Materials (173-9998-9993) ???????? ????? ??? ???????? ???????? ??????? ????????? ??? ??????:...

??? ????????

28042025

????? ?????? ????? ???? ??????

???? ?? ???? ?????? (173-9998-9993) ???? ?????? ??????? ?????? ?? ??? ?????? ?????? ?????? ???????? ???? ????? ????????:...

??? ????????

28042025

CPVC ?????? ????? ????? ??????? ??????

???? ?? ???? ?????? ???? ???? ?????? ?????? ?????? ??????? ??????? ?????: ??? ?? ??? 50-φ 200 ????? ??? ?????? ??? ? ???...

??? ????????

28042025

?? ????? HDPE ????? B ????? ????? ?

???? Hubei AD Building Materials (17399989993) ??????? ??? ????? HDPE ??? ??? B ??????? ????? ????????: ???? ????? ???? ...

??? ????????

28042025

?? ?? ????? ???? ?? ??? ?????? ?????? ?????? ???????? ?

???? ?? ???? ?????? (17399989993) ??????? ?????? ?? ??? ?????? ?????? ?????? ???????? ???? ????? ????: ??? ???? ?? SN4 ?...

??? ????????