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Լ 44 pdc,钻头,选型,方法PDC钻头,?型方法,岩石力学参数,地层可钻?,现场试? IJѯǵ1-20 ʱ 0.19 룩 ҳ

PDCͷ

ҪݣPDCͷԭ򼰴ݵزı仯ʵʱѡͷ,ﵽ߻еٵĿ,Ż꾮ʩ,꾮.
ߣ13954113954
ش9
ϴʱ䣺2013-09-02 08:55:59

PDCͷԭԲ

ҪݣPDCͷԭԲ,PDCͷij,PDCͷԭPDCͷԤġPDCͷĴ
ߣhoushangqing
ش5
ϴʱ䣺2013-05-11 01:28:23

꾮PDCͷѡͼʹ

Ҫݣ꾮PDCͷѡͼʹã꾮PDCͷѡͼʹã꾮PDCͷѡͼʹã꾮PDCͷѡͼʹã꾮PDCͷѡͼʹã꾮PDCͷѡͼʹã꾮PDCͷѡͼʹ
ߣxt0407
ش16
ϴʱ䣺2013-02-25 06:34:07

ͬ꾮ͬĥPDCͷм

Ҫݣ꾮ˮƽIJPDCͷܵ㷺ӦãPDCͷ꾮ٶȡ꾮ɱӾЧͬʱȴмϸСм¼ʱȴѡ߸ڴʮھPDCͷ꾮м¼飬ܽݲͬ꾮µPDCͷʹڷʶϸСʵмӶPDCͷеĵزָʡؼʣм¼PDCͷߣ
ߣmaqh1228
ش7
ϴʱ䣺2012-11-28 02:01:35

ҲPDC

ҪݣǹںҲPDCϣϣԴҵơзȵĿ̳лཻͷһۺѧƣǺʵӦ
ߣpietrolee
ش4
ϴʱ䣺2012-09-13 14:30:06

PDCͷѡ

ҪݣȽϸĽPDCͷĸܺԭͬزPDCͷѡԼPDCͷĸƲʵʵͷزһͷۡ
ߣjgw14
ش7
ϴʱ䣺2012-07-22 01:20:11

PDCͷص

ҪݣӲͷ........................................... ӲPDCͷص
ߣtmwangbo
ش5
ϴʱ䣺2012-02-23 02:07:02

pdc

ҪݣһڶڱȽϸӻ£ʯ㣩PDCͷƷϣǴģȤѿԿһ£ϣаһη֧ѽ
ߣ171418201
ش0
ϴʱ䣺2011-12-25 23:25:48

PDCӵزƳ̽

ҪݣͷҪһЩѡPDCͷĶԸӵزƷעṩһDZдĵģҲ˳һ£誹ο
ߣ171418201
ش0
ϴʱ䣺2011-12-25 15:00:36

PDCͷչ

ҪݣPDCͷĿٷչؼӿʯȻ꾮ٶȣ꾮ں꾮ɱ һֻPDCͷijɱԼ$10,000-$150,000Ԫ֮䣬ͷ5C15ܳͶɱϸߣPDCͷʹõõܹȽ꾮ɱ
ߣ޿ΰ165
ش12
ϴʱ䣺2011-09-13 07:28:14

ݸ߼PDC ͷ꾮

ҪݣݸPDCͷ꾮ռǽӦõһ꾮¼ķPDCͷԣ ݸߵʹעݸ߼PDCͷϺཬŤ֮ϵݸPDCͷ꾮 ӦóַݸߺPDCͷĸŵ㣬һPDCͷھ׵תٶȣַPDCͷ תٿƣ꾮ٶȣ꾮ϵ...
ߣlm969366
ش37
ϴʱ䣺2011-08-08 05:18:51

PDC ϲȶԽʯͷӰֳ

ҪݣPDCͷĥо,ֳ顣,PDCݸϲȶԽʯͷенϴӰ,ݸϲȵѡڽʯͷŻǷdzҪġ
ߣlm969366
ش3
ϴʱ䣺2011-08-07 13:59:09

pdcͷѡ·.pdf

Ҫݣpdcͷѡ·.pdfpdcͷѡ·.pdfpdcͷѡ·.pdfpdcͷѡ·.pdfpdcͷѡ·.pdfpdcͷѡ·.pdfpdcͷѡ·.pdfpdcͷѡ·.pdf
ߣĺ
ش1
ϴʱ䣺2011-08-01 12:55:11

PDCͷĥеӦ

ҪݣPDCͷĥеӦϸPDCͷĥеӦPDCͷĥеӦPDCͷĥеӦPDCͷĥеӦPDCͷĥеӦPDCͷĥеӦ
ߣmaoliangjie
ش5
ϴʱ䣺2011-07-13 07:36:42

PDCͷڱӦо

ҪݣPDCͷڱʹPDCͷͺŵѡŻͼʩҪ˷ܽᣬüָԱȷPDCͷڱʹЧá
ߣmbc118
ش4
ϴʱ䣺2011-04-27 03:57:29

PDCͷˮṹŻо

ҪݣPDCͷУ꾮ҺͷijϴȴDZ֤ͷһdz ҪPDCͷԣˮṹ(Ҫˮۺ͹ڲˮ)ƵҪͻǰͷˮ ϵͳоֻͨʵķУоڳɱߡṹ㣬ֵģķڼǰ 죬̬ĸӽṹ޷ΪˣPDCͷˮṹŻԭĻϣ PD...
ߣzuancaiyuan
ش18
ϴʱ䣺2011-03-17 07:45:41

PDCͷĥּ

ҪݣPDCͷĥּPDCͷĥּPDCͷĥּPDCͷĥּPDCͷĥּPDCͷĥּPDCͷĥּPDCͷĥּ
ߣwolflujs
ش9
ϴʱ䣺2011-03-06 07:41:18

СͷPDC.doc

ҪݣСͷPDC.docСͷPDC.docСͷPDC.docСͷPDC.docСͷPDC.docСͷPDC.doc
ߣLIXUNHUAN0628
ش9
ϴʱ䣺2011-01-06 06:11:18

PDC ͷʽ¼

ҪݣPDCͷӲز,ǸǿȡĥԵʯ,ΪڼӵĹ,PDCݵij,ĥĥĥͬʱ,ݵĥٶȿ,ͷĹ̡оһµPDCͷʽݼ,ʹPDCͷڼӦµijǿʽڳṹӵĺPDCṹ,λݵϷ,ʯ,ݵ...
ߣhutkingdream
ش1
ϴʱ䣺2010-12-18 15:07:45

PDCͷĥ׼

ҪݣTheDullGradingSystemChart adoptedbyIADCincludesallcodes necessarytodullgraderollercone bitsandfixedcutterbits. Thechartdescribeseightfactors ondrillbits.Thefirstfourspaces describetheCuttingStructure...
ߣhutkingdream
ش9
ϴʱ䣺2010-12-18 15:04:15

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