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˰ïÎÒÏÂÏÂÕâÆªÎÄÕÂBending Vibration and Whirling Motion of Drill Collars
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Vandiver J K, James W N, Shyu R J. Case Studies of the Bending Vibration and Whirling Motion of Drill Collars. SPE Drilling Engineering, 1990(12):282~290 ËÄܰïÎÒÏÂÔØÏ£¬ÎÒµÄÓÊÏäjimi87@126.com,±¾È˸м¤²»¾¡£¡ |
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jimi87: ½ð±Ò+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ºÜºÃ£¬Ð»Ð» 2013-02-23 11:17:44
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jimi87: ½ð±Ò+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ºÜºÃ£¬Ð»Ð» 2013-02-23 11:17:44
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