定时阀是实现高容积效率的一个主要因素。
Valve timing is a major factor in achieving good volumetric efficiency.
用容积法计算油气储量时，影响储量计算精度的因素之一是储层有效厚度。
When calculating oil and gas reserves by volumetric method, one factor affecting the computing accuracy is reservoir effective thickness.
结果表明：影响海泡石吸湿性能的主要因素是其比表面积、孔容积和孔径分布。
The results show that the surface area, pore volume and pore distribution are the main factors for water vapor adsorption properties of sepiolite.
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