Three wells were drilled with average depth of 3, 561m each, penetration rate of 29. 46m/h and construction period of 18. 83 days, where the shortest peried is only 13. 31days with couple of best records.是什么意思_Three wells were drilled with average depth of 3, 561m each, penetration rate of 29. 46m/h and construction period of 18. 83 days, where the shortest peried is only 13. 31days with couple of best records.在线翻译_英语_读音_用法_例句