海伦选择的唇膏很适合她的肤色。Helen's choice of lipstick was a good match for her skin-tone.“海伦走之前吃了点儿东西，”塞西尔急忙插了一句。"Helen had something to eat before she left," put in Cecil anxiously.海伦也是25岁，也来自伯明翰，但是相同之处仅此而已。Helen is also 25 an...
此心轴溶化之后, 在推进剂表面上留有一薄层的合金.After the mandrel is melted, a thin layer of alloy remains on the propellant surface.注意.内剥胶时, 心轴必须顺时针旋转.CAUTION For internal skiving, the spindle must rotate clockwise.注意.外剥胶时, 心轴必须逆时针旋转.CAUTION ...
结果表明,冷油器铜管的腐蚀属于栓状脱锌腐蚀.The results show that the failure of oil - cooler is bolt - like dezincification corrosion.结果表明:凝汽器铜管的腐蚀属栓状脱锌腐蚀.The failure was caused by dezincification corrosion.使用中的阀门如果遭遇脱锌侵蚀,会在阀门外表产生白色粉末或矿物污点.A...
The characteristic indexes of Daqu aroma - producing capability include ammoniacal nitrogen and the specific consumption of amylum.氨态氮和淀粉消耗率为大?生香力的特徵指标.Among all the leachingtechnologies investigated , acid leaching, amm...