Top low carbon alloy steel as gear material, adapting automatic carburizing and quenching heat treatment.

齿轮材料选用高级低碳合金钢，使用自动化高温渗碳淬火处理。

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Gear after heat treatment with high hardness and strength, and shaft installed in the replaceable shaft sleeve.

齿轮经热处理有较高的硬度和强度，与轴一同安装在可更换的轴套内运转。

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The gear -used steels and heat treatment have important effect on gear quality.

齿轮钢材和热处理对齿轮质量有重大的影响。

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The result will be the opposite of the treaty's intention: it will increase the danger of chemical warfare, primarily by encouraging a false sense of security, discouraging our investment in chemical detection technology, protective gear, medical treatment and such.

CENTERFORSECURITYPOLICY: Toxic treaty: how not to ban chemical weapons

Some gear qualifies for very generous tax treatment while other investments get the short end of the stick.

FORBES: Obama Offers Business A Tradeoff On Taxes