帮帮忙,这些怎么翻译成英文啊

金相检测
化验
常啮合齿轮
压力试验
耐热刚试验
镀锌件中性盐雾试验
加工金相试样
金相组织和照片

金相检测 Metallographic Examination
化验 assay
常啮合齿轮 frequent meshed gear
压力试验 pressure test
耐热刚(钢)试验 heat-resistant steel test
镀锌件中性盐雾试验 Neutral Salt Spray Test of Galvanized Part
加工金相试样 metallographic specimen
金相组织和照片Metallographic Microstructure and photo
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第1个回答  2007-06-28
Laboratory test Meshing gear wheel frequently Pressure test Just tested heat-resistingly Zinc-plated pieces of neutral salt fog are tested Processing metallography sample Metallography organization and photo