The roasting dust which produced from zinc concentrate roasting process, main contains zinc oxide, zinc ferrite, zinc sulfide, cadmium sulfide, lead sulfate etc.

该种焙烧烟尘的二次焙烧处理工艺存在着环境污染等一系列无法彻底解决的问题。

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Moreover, each of the main specifications contains ambiguities that can stifle interoperability, thus requiring understanding of the specific interpretations of the specs.

此外，这些主要规范中的每一个都包含一些会妨碍互操作性的含糊之处，因此大家就需要理解规范的明确解释。

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Service.cs contains the main part of the service code.

cs包含服务代码的主要部分。

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The main deck contains an entry lounge, grand lounge, dining area with seating for 14, main deck galley and staff seating.

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The "forward island" of HMS Queen Elizabeth, known as Upper Block 07, contains the main bridge of the ship.

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Punjab contains two main groups: most people speak Punjabi, some Seraiki.

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