Metallov梅塔洛夫metaln.金属；合金；玻璃液vt.(以金属)覆盖、装配metal iron load on chitin负载金属离子metallocene polyethylenes茂金属聚乙烯metal-hydride electrode储氢合金电极metal tube type flowmeter金属管式流量计metal-powder production金属粉末生产metal semiconductor diode金属半导体二极管metal-chelating protein金属螯合蛋白metal structural cladding金属外挂板metal enclosed switchgear铁壳开关装置metallurgical waste gases冶金厂废气