有些新型的自记加速仪使用了一种可以重复充电的二氧化铝电池.Some recent accelerographs employ a lead dioxide rechargeable battery.凝固之后, 样品表面连续用金钢砂或氧化铝磨平.After setting, the surfaces of the specimens are ground down using carborundum and alumina.氧化铝作为铝锭...
He makes unfavourable comparisons between British and French cooking.他认为与法国菜相比，英国菜相形见绌。I. Comparisons to a Living Creature ( i . e . , the Sphinx riddle )1.比作某种生物 ( 如斯芬克司谜 )Make comparisons about the products.对产品做对比....