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推薦產(chǎn)品

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		JUXIN-20
		???: 1/2 "????? ???? ????: 820 ??? / ????

		◆?????? ????? ?????? ??? ??? 9.5 ◆????? ??????? ????? ?? ??? ◆???????? ??????? ????????? ??????? ???? ?? ?????? ◆?? ?? ???? ??????? ??????? ????? ???????? ????? ????????? ??????? ??????? ?????? ?????? ?????? ??? ????? ?????? ?????? ??? ◆????? ???? ???????? ??????? ??????? ?????? ??????? ???????? ????? ?????? ◆?? ???? ?????? ????? ?????????? ?????? ?????? ??????? ??? ?????? ???????? ????? ?????? ??? ??? ± 1? ◆?? ??????? ????????: ?? ??? ????????? ???? ???? ????? ?????? ?????? ????? ????? ◆???? ????? ?????? ????????? ??????? ?? ??? ?? ????? ??????? ??????? ◆???? ?????? ?? ??????? --- ???? ??????? ????? ◆?????? ?????? ??? ?????? ?? ??? ???????

(???? ??? ???? ???? ???? ?????? ?? 20 ℃ ?????? ????) ??? ?????

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??????? ????? / ???????	1/2 "????
??? ??????	0.75 ???????
????	0.15L / ?????
??? ???? ??????	120 ???
???? ?????? ???? ????	12 ???
??????	0.5 ???
???? ???? ????? ???????	10 ????
????? ??????	Chlorosulfonated ?????? ?????? ?????? (CSM): ?????? ???? ????? (F-NBR)?????? ??????? (NR) ???? ???? ?????? (NBR): ????????? ?????????? ???? ?????? (EPDM)
????? (??????: ??) JUXIN 20 ????

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2020久久超碰欧美精品最新_香蕉人人超人人超碰超国产_99在线观视频免费无码_一个人看的www高清视频,无码专区