质子交换膜燃料电池双面微通道铝双极板的真空压铸制备及模拟(外文翻译原文)fabrication by vacuum die casting and simulation of aluminum bipolar plates with micro-channels on both sides for proton exc,质子交换膜燃料电池双面微通道铝双极板的真空压铸制备及模拟(外文翻译原文)fabrication by vacuum die casting and simulation of aluminum bipolar plates with micro-channels on both sides for proton exchange membrane (pem) fuel cells