"Candidates from respective areas sent data to me containing complaints of abuses against local residents," said sai Maung Tin.

“来自各自选区的候选人发送资料给我，其中包括对虐待当地居民的投诉，”赛貌丁说。

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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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