以防砂前油井流入动态(IPR)曲线为基础，考虑各种防砂措施在井底附近造成的附加阻力表皮，建立了一套基于IPR曲线的防砂井产能预测方法。
Based on oil well IPR curve and the special consideration of the additional skin factors caused by sand control measures, a new productivity prediction model for sand control Wells is developed.
未侵及表皮，送检“上、下、前、后、及底切缘”均未查见肿瘤累及。
Not invaded and epidermis, submission, "and, before and after, and the margin at the end of" see no investigations involving the tumor.
这些表皮细胞在胚胎学上把源于支气管生长过程中的前内脏叫内胚层。
These epithelial elements arise embryologically from foregut endoderm in the process of bronchial tubular growth.
这些表皮细胞在胚胎学上把源于支气管生长过程中的前内脏叫内胚层。
These epithelial elements arise embryologically from foregut endoderm in the process of bronchial tubular growth.
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