The heat insulation principle of solar heat reflection coating and heat transfer features of LPG storage sphere have been analyzed and studied.
分析和研究了太阳热反射涂料的隔热原理和液化石油气球罐的传热特点，计算了球罐温度和渗入罐内热量。
Obscene matter in the sphere of computer has the characteristics of Low cost of making and storage, high concealment, rapid and wide spreading.
计算机领域的淫秽物品具有制作成本低，隐蔽性强，传播速度快，范围广等特点。
Obscene matter in the sphere of computer has the characteristics of Low cost of making and storage, high concealment, rapid and wide spreading.
计算机领域的淫秽物品具有制作成本低，隐蔽性强，传播速度快，范围广等特点。
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