1.Many of the subjects a prospective hotelman studies are in the field of business administration.
有志于当旅馆经理的人所学的科目多属于业务管理的范围。
2.The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.
3.The characteristics of each cement clinker process by carbide slag in domestic were analysed. dry prebaking, dry grinding, and dry burn process are best prospective.