Heavy oil reservoirs with abundant reserve are widely distributed in our country, and the onshore heavy oil and bitumen reserve is approximately 20% of the total oil reserve.
我国稠油资源分布很广，储量丰富，陆上稠油、沥青资源约占石油总资源量的20%以上。
This paper presents the structure and main design parameters of thermal insulation heavy duty tanker for bitumen transport, as well as the design and test of thermal insulation layer of the tank.
本文介绍了大吨位沥青运输保温罐车的结构型式、主要参数及罐体的保温层设计与试验。
Analysis of the distresses indicates that the main causes are the heavy traffic load and greater variation of the bitumen concrete gradation. Therefore, the recommendations such …
据此从限载、路面结构设计、调整级配及使用改性沥青等方面提出了避免沥青混凝土路面产生车辙等早期破损的建议。
Analysis of the distresses indicates that the main causes are the heavy traffic load and greater variation of the bitumen concrete gradation. Therefore, the recommendations such …
据此从限载、路面结构设计、调整级配及使用改性沥青等方面提出了避免沥青混凝土路面产生车辙等早期破损的建议。
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