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매일 한 문제, 정답자에게 5개의 부를 지급하며, 참가 시 2개의 부를 지급합니다;제295문제

2016-05-12View Original

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선택: 다음 중수에 용해될 수 있는 폴리머는 ( ). A、폴리스티렌 B、부타디엔 스티렌 고무 C、폴리비닐알코올 D、나일론-6 C、폴리비닐알코올
Reply #22016-05-12
C........................
Reply #32016-05-12
C、、、、、、、、、、、、、、、
Reply #42016-05-12
다음 중수에 용해될 수 있는 폴리머는 (B)입니다. A、폴리스티렌 B、부타디엔스티렌 고무 C、폴리비닐알코올 D、나일론-6

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