发布网友 发布时间:2022-11-16 19:02
共2个回答
热心网友 时间:2024-11-30 14:09
杜邦-陶氏:4520,4640,4570,4725P,4770,5565,3430,3722P,3720P,3760,3670,3745P,MG-47085,37060,47100,47130.46140;美国埃克森:706,707,404,606,703,785,805,878,722,1703,2727,2605,2504,3666,3708,2504,4600,4709,5600,7000,7500,7800,6505,8600,8609,8700,8731,8800,9500,新产品5601,7001,3702,9301;埃克森POE5061,5371,5181,4006,4001,5062,5101,5171,5361,8201,8203,8210,8230热心网友 时间:2024-11-30 14:09
一般有乙烯/辛烯和 乙烯/丁烯2种