| 摘要 |
PROBLEM TO BE SOLVED: To safety heat asphalt stored in an asphalt tank with an excellent thermal efficiency. SOLUTION: To safely heat the asphalt stored in the asphalt tank with an excellent thermal efficiency, a heating device is installed on the outside, the asphalt is heated and kept at a specified temperature, and then returned again to the tank. Thus, the asphalt with a specified temperature can be safely heated with the excellent thermal efficiency. COPYRIGHT: (C)2006,JPO&NCIPI
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