这些机器将来会需要备件和维修保养。In the future the machines will need spare parts and maintenance.除了给轮胎充气外，我没做过任何汽车保养。Other than blowing up a tyre I hadn't done any car maintenance.车越来越旧，保养得也越来越差。The cars are getting older and less...
The disulfide bridges might then be viewed primarily as stabilizing components.二硫桥可以被看作是初级的稳定因素.The purity of dimethyl disulfide was determined by capillary gas chromatography.应用毛细管气相色谱法测定二甲基二硫的纯度.OBJECTIVE To synthesize...
The pharaoh is Osiris, the moon bull incarnate.这位法老就是俄西里斯，丰产神的化身。Pharaoh's courtiers saw her and praised her to Pharaoh, and she was taken into Pharaoh's household.法老的臣子看见她,就把她举荐给法老, 于是她就被带去收进法老的内宫中.One night P...
Continental production and flower pots, cisterns, nursery toys, chemical preservative products.兼产欧式花盆 、 水箱 、 幼儿园玩具 、 化工防腐产品.There were cisterns to catch rainwater as it ran off the castle walls...雨水顺着城堡的墙壁流下时会流入蓄水池。Elimi...
Objective To explore the value of meal examination in cartilaginous tracheobronchial ectopia of the esophageal wall.目的探讨食管壁内气管软骨异位症钡餐检查的价值.Objective To discuss the oncogenesis, clinical manifestation and relative treatme...