Pump will not overheat: powered by compressed air in the exhaust is an endothermic process of expansion, pneumatic pump when the temperature is lower, non-harmful gas emissions.
泵不会过热：压缩空气作动力，在排气时是一个膨胀吸热的过程，气动泵工作时温度是降低的，无有害气体排出。
Pump will not overheat: powered by compressed air in the exhaust is an endothermic process of expansion, pneumatic pump when the temperature is lower, non-harmful gas emissions.
泵不会过热：压缩空气作动力，在排气时是一个膨胀吸热的过程，气动泵工作时温度是降低的，无有害气体排出。
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