It turns out Levy is talking in metaphorical terms...利维原来说的是一种比喻。...the Government's plans to levy VAT on printed matter.政府对印刷品征收增值税的计划Neither Baker nor Levy seemed eager to disturb the cordial atmosphere by discuss...
为了防止放射性污染,减缓铀的腐蚀,广泛采用在贫铀表面电镀镍.Pulse - electroplated Ni coating was prepared on the surface of depleted uranium.电镀镍之光亮剂,强整平剂.As brightener and leveling agent in nickel bath.用途主要用于电镀镍 、 化学镀镍、铝材着色、电池材料 、 催化剂等.Main Uses: Mai...