Colin : Just piano, guitar, trumpet, drums and bass. 科林:只是钢琴,吉他,小号,鼓和低音。
Whether the Coke drums are reliable during all of the operation, not only just a security problem, but also the frequent repair of coke drums devices will directly affect the development of economy. 焦炭塔在操作过程中是否可靠,不仅仅是个安全问题,焦炭塔的频繁修补将直接影响装置的经济性。