metalion金属离子metaln.金属；合金；玻璃液vt.(以金属)覆盖、装配metallizing metallized喷镀金属化metal-packaged shell金属封装外壳metal monolith reactor金属基整体式催化反应器metal-mold interface金属-铸型Metal complex compound金属络合物metal-powder rolling金属粉末轧制metal working practice金工实习metal Mechanical seals金属波纹管metallogaphic analysis金相分析metallurgical quantity冶金质量