This low cost sensor offers reliable operation in wet, dirty and high temperature environments.
这种低成本的传感器提供了在潮湿，肮脏和高温环境下可靠运行。
The operation cycle of the catalyst used in conversion at low temperature is critical to the direct economic returns of the enterprises which produce synthetic ammonia.
中温变化催化剂运行的周期长短，是关系到合成氨生产企业直接经济效益的关键因素。
Thermodynamic principle of heat recovery system for low temperature waste heat with a given initial temperature and flow and for non-cycling operation is proposed in the article.
本文针对初温、流量一定且不循环使用的低温余热，提出确定其动力回收系统参数的热力学原则。
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