The author pointed out his opinion on how to conquer difficulty and improve rescue ability at South China Sea under the new situation after reforms in the rescue system.
在救助体制改革后的新形势下，如何克服困难，提高南海海上救助能力，作者提出了自己的观点。
Based on the practical experience for many years, performs simpler reforms of the conformation of original single? Pipe heating system.
根据多年的实践经验，对原有单管供暖系统的结构进行了简单的改造。
Based on the practical experience for many years, performs simpler reforms of the conformation of original single? Pipe heating system.
根据多年的实践经验，对原有单管供暖系统的结构进行了简单的改造。
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