viscosity average relative molecular mass
viscosity average relative molecular mass
粘度平均相对分子质量
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The changes of viscosity, hydrocarbon composition and average relative molecular mass of Shengli heavy oil in catalytic upgrading by oil-soluble catalyst XAGD-2 were investigated.
研究了采用油溶性催化剂XAGD - 2催化改质胜利稠油过程中稠油黏度、组成和平均相对分子质量的变化。
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