A.98%B.95%C.98.5%D.80%
A.C3HN、51B.C3H3N、53C.C3HN、55D.C3H4N、52
A.現(xiàn)場停止丁二烯進(jìn)料B.停聚合釜攪拌器C.停夾套冷卻水D.在操作臺按下緊急停車按鈕