丁腈橡胶具有优良的耐油、耐高温性能,合成丁腈
橡胶的原料是
①CH2=CH—CH=CH2 ②CH3—C≡C—CH3 ③CH2=CH—CN
④CH3—CH =CH—CN ⑤CH3—CH==CH2 ⑥CH3—CH=CH—CH3
A.③⑥ | B.②③ | C.①③ | D.④⑤ |
丁腈橡胶具有优良的耐油、耐高温性能,合成丁腈
橡胶的原料是
①CH2=CH—CH=CH2 ②CH3—C≡C—CH3 ③CH2=CH—CN
④CH3—CH =CH—CN ⑤CH3—CH==CH2 ⑥CH3—CH=CH—CH3
A.③⑥ | B.②③ | C.①③ | D.④⑤ |
试题篮
()