The influences of threshold pressure gradient, vertical heterogeneity, subzone thickness and areal sand thickness distribution on development of low-permeability heterogeneous reservoirs arc analyzed.是什么意思_The influences of threshold pressure gradient, vertical heterogeneity, subzone thickness and areal sand thickness distribution on development of low-permeability heterogeneous reservoirs arc analyzed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句