RAW METAL MATERIALS 金属原材料
I am using advanced production techniques and technologies, to high-quality cold plate made of metal raw materials, has successfully developed high-performance, high-quality all-metal hood.
我公司采用先进的制作工艺和技术,以优质金属冷板做原材料,成功地研制开发了高质量高性能的全金属车蓬。
They rarely take physical delivery of raw materials and have no effect on the actual production and consumption of metal, grain or oil.
他们很少进行原材料的实物交割,对金属、谷物或者石油的实际生产和消费没有影响。
Calcium ammine catalyst was prepared with metal calcium, dehydrated liquid ammonia as raw materials, nano-silica as a carrier and acetonitrile and propylene epoxide as modifiers.
采用金属钙、脱水液氨、载体纳米二氧化硅及改性剂乙腈与环氧丙烷制备出氨钙体系催化剂。
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