在铝合金制的冷排和调温器内的活性金属是负极或者阳极。
The active metal in the aluminum alloy thermostat housing and radiator are the negative electrodes or anodes.
介绍了我公司在应用碱性酚醛树脂砂工艺生产汽轮发电机铝合金铸件导风环的过程中，对制芯工艺进行的改进。
Improvement of core-making technology was conducted by adopting basic phenolic resin sand for aluminum alloy air guide ring in the turbogenerator produced by Harbin Rlectric Machine Co.
用无铬化学方法在铸铝合金表面制得黑色转化膜，利用点滴试验评价了膜的耐蚀性能。
Black conversion film with non-chromate was obtained on a cast aluminum alloy by chemical methods, and the anticorrosion properties of the film were evaluated by means of dropping test.
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