油井套管缩径连续扩胀整形技术是一项新技术。
Shaping reduced casing by continuous expansion is a new technique.
利尿药物，治疗婴幼儿出血后脑室扩胀既不安全也没有效。
Diuretic drugs are neither safe nor effective in treating ventricular dilatation in infants with intraventricular hemorrhage.
本文扼要介绍了护环液压扩胀时产生形状缺陷的原因及校正的原理与方法。
Reasons of causing shape defects of the retaining ring by hydraulic expanding and principles and methods of sizing the shape are briefly presented.
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