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ʱ䣺2019-9-17 13:36:07
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ſ ֽ רҵ ۸տ桢ڡϾɡϣֽչ浽ڻվѶԪھѶԪ۰ϣ۰ϣMDIݼԪMDI.MDI;Diphenyl-methane-diisocyanateרҵֻԭϣγ䳧񳧣½ij۰ԭϡϣϴϣרҵŰһлԭϣMDI,ѶԪ۰ϣѣȾϵȣֽףκ⣬ʱϵǻᾡܵİǻչǻƾһ⡣һһ󴮵عҶ£кġ׵ġϵġġ̵ģʮɫˡǺҹġĺƽ١ǿҪͼļֵۡеҪ壬ǿDzļֵҪ󣬡ƽȡļֵҪ󣬰ҵšǹļֵҪ󡣱˴Ⱦϻչʮ꣬зḻĻաڴչѹĻԭϼڷϾɣ Ⱦϣϣ֬ᣬī ܣ ۴ . . ̿ .ɫ. ɫۣ ˳ . ... . . Ȼ. Ȼͭ Ȼп. п Ȼ. Ҷ, Ҵ, ࡢࡢࡢһ𽺣,ԭϡ < < 1 >> Ⱦ ԭȾϣɢȾϣȾϣֱȾϣȾϣ ȾϣȾϣȾϣӡɫƣȸȾϼӡȾ << 2 >> ̪̪̣ۣ죬ɹϣϣϣ 쵤ۣƵ . . и. ʻ. ϣϣۣۣۣпۣۣۡл޻ϡ < < 3 > > ֬ ֬֬֬֬ȩ֬֬֬ʯ֬۱ϩ֬֬ϩ֬㣬ʯ֬ << 4 >> ī ӡī˿ӡīתӡīӡīӡī͹ӡī֬ī << 5 > > ᣬᣬᣬᣬ۰ᣬᣬ̼ᣬ齺ᣬᣬᣬᣬᡣ չֽףޣ ӭ磬չ2014꣬ҹ᳹ʵкȫᾫĸԪ꣬Ǿý³̬ʼ꣬ʵʩʮ塱滮Ĺؼ֮ꡣĸӿ죬һȨʯͺͻҵṹתȡ˻չʵ˽һЧڷչ뷢չǿΪ񾭼ƽȽϿ췢չ¹ס
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