学校餐饮服务以特许权经营.Catering in the schools is run on a franchise basis.头三项特许权中有两项给予了由英国铁路公司前管理层负责的管理层收购项目。Of the first three franchises to be awarded, two went to management buyouts led by former BR executives.法国公司的特许权将于1904年满...
The knee and ankle joints must be immobilized— this usually means up to six weeks in plaster.膝关节和踝关节必须加以固定——这通常意味着要打上6个星期的石膏。The knee and ankle joints must be immobilized — this usually means up to six weeks in plaster.膝...
相比较而言,端环氧基聚氨酯醚海岛结构增韧剂的综合性能较好.Among them , sea - island structure flexibilizer had good synthetical properties.与其他增韧剂相比, BDS对PP的增韧性能较好.Compared with other toughening agents, BDS is a better one for PP.主要介绍了奇士增韧剂对YJ型环氧树脂浸渍...