core grade method 核心职系法
Oil-bearing grade of core 岩心含油级别 ; 饱含油
low-grade core 低级矿石
High Grade Power Core 高品位电源铁芯
The reserve tanks at a reactor contain the same grade of water in terms of purity and chemical composition that are normally used in the core.
反应堆的储备箱里储备了与反应堆内同等纯度和化学构成的水。
The core business of HKS is the recycling of ferrous and non-ferrous scrap to create high grade raw materials for metal producers all over the world.
HKS的核心业务是有色金属和非有色金属废料的回收，世界各地的金属生产商创造高档原料。
To enhance the market value of tourism resources, to advance the grade of sight spot and scenic spot, to build up the core competition are very important.
提升旅游资源的市场价值，提高景点、景区档次，打响品牌，增强旅游企业核心竞争力显得尤为迫切。
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