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我公司21~#蒸汽裂解装置是1972年由法国德希尼布(T.P)公司引进的。无论是装置的生产能力和仪表的内在质量都是七十年
My company 21 ~ # steam cracker was introduced in 1972 by France Desi Nibu (T.P) company. Both the device’s productivity and the inherent quality of the instrument are seventy years