The features, outline and principle of ASTM D6749-02, petroleum product pour point determination (automatic air pressurization method), is explained in this paper.
介绍了ASTMD6749—02《石油产品倾点测定法(自动空气加压法)》的特点、概要及原理。
This represents a weak point that could rupture if subjected to sudden increased pressurization or forceful injection.
假性动脉瘤是血管的薄弱部位。突然的增压或强行注射将会导致其破裂。
This represents a weak point that could rupture if subjected to sudden increased pressurization or forceful injection.
假性动脉瘤是血管的薄弱部位。突然的增压或强行注射将会导致其破裂。
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