Exclusion zones isolated trainers, jockeys , stewards and farriers from the crowd.隔离区域把驯马师 、 骑手、管事与马医同人群分隔开来.Organisers had consulted widely with police, stewards and safety officers to ensure tight security.组织者广泛征询了警方、管...
The experiments of dephosphorization of hot metal by using converter slagflux were performed in the scale.研究了转炉渣剂的组成及相关工艺因素对铁水脱磷率的影响.The successive approximation converter is of medium speed, and average resolution.逐次逼近式...