Doctor Practical Technique Test is one of the two important parts in the Doctor Qualification Tests.

实践技能考试是医师资格考试中的两个重要组成部分之一.

The field technique test and effect evaluation of sand control of recent years are summarized, and application of high - pressure filling sand - control and chemical sand -control have a good effect.

文章总结了近几年防砂的现场工艺试验及效果评价，优选出采用高压充填防砂及化学防砂应用效果较好。