... metal facing ==> 金属饰面 metal fall ==> 金属提取率 metal fastening ==> 金属固定件 ...
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hard facing metal 敷焊用硬金属 ; 表面硬化金属
all-metal clutch facing 全金属离合器衬片
hard-facing metal 表面加硬用合金
sintered metal clutch facing 烧结金属离合器衬片
Reck wrote about the challenges facing metal recycling in a recent edition of Science magazine and spoke to Kitco News about her findings.
FORBES: INTERVIEW: Recycling Of Specialty Metals Needs Improvement - Yale Researcher
Key challenges facing society over the next decades include management of our environmental legacy, particularly toxic metal contamination and safe disposal of the significant global radioactive legacy.
UNESCO: 2011 UK and Ireland Winners
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