several well logging methods是什么意思

several well logging methods是什么意思 泥浆录井,测井,和测井,亦即mud logging,well logging,well test三者间有什么区别和联系啊,求详解,谢 several years ago,well-known的意思, no logging console guaranteed logging company是什么意思 there are several ways to learn english well as follows several several several several several 英语翻译in order to outline the mutual cooperation between the parties in forming a joint venture company for providing Wire lin Logging/LWD/MWD services and the related qeuipment sales called as the Bussiness Activity and any other well servuc （ ）-----of the boys from Class 1 play football well.A.NoneB.NeitherC.EitherD.Several it will ___ us several years to learn a foreign language well (2/3) your foot several times.finally,water the tree well,as often as po 请问data logging module “Separate data logging module (Electronic Box SEB2) with LCDdisplay and LED display”中“data logging是什么意思呢? 英语翻译原文：Several dictionaries are available in paperback edition well within the price range of most students.请翻译一下, It will ___ us several years to learn a foreign language well.A cost B take C spend D use