Horizontal well is the most effective method for tapping the rich residual oil zone on the top of thick positive rhythm reservoir in extra-high water-cut period.
水平井技术是挖潜特高含水期正韵律厚油层顶部剩余油富集区最为有效的方法。
Wo-Pa-Huai syndrome and ectopic cardiac rhythm of copulatory zone premature beat.
⑤沃-帕-怀综合征患者合并交接区性期前收缩等异位心律。
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