If an external cooling jacket is used, the requirement on valve material can be further reduced.

如在阀体外加上外冷却夹套，则可进一步降低对阀材料的要求。

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The condenser leakage detection is a technology used to detect condenser leakage position and leakage rate from the external cooling water source.

凝汽器检漏是用于检测外部冷却水源向凝汽器内泄漏的泄漏位置及泄漏率的一项技术。

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The thermal problems related with MCM are discussed, which are solved by developing an enhanced internal thermal conduction paths and an external cooling system.

与此有关的热问题，通过在封装中改善内部热传导路径以及改进外部冷却技术而得到解决。

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A123 points to a recent breakthrough with batteries that can work in a wide range of temperatures without the need for external cooling or heating.

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In extremely high external temperatures, the cooling circuit for the battery can be additionally boosted with the aid of the air conditioning system.

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