This is the first in a series of Oz books, containing much more material than the classic film such as an encounter with the monstrous Hammerheads and the origin of the Tin Man.

这是奥兹系列的第一部，比那部经典电影包含多得多的内容，例如与丑陋的锤头的偶遇和铁皮人的由来。

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Methane sulphonic acid (MSA) has the right combination of properties for electroplating baths containing lead, tin, copper, nickel and some precious metals.

在含有铅、锡、铜、镍和一些贵金属的电镀池中，甲磺酸(msa)是一种很好的电解质。

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The sodium stannate from slag containing tin is prepared directly by the process including alkali fusion, leaching, purification, concentration and crystallization.

以含锡渣为原料，采用碱熔—浸出—除杂—浓缩结晶工艺直接制取了锡酸钠产品。

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