高峰XS型方鉆桿旋塞閥.ppt
XS型方鉆桿旋塞閥.ppt
XG型套銑管.ppt
XFQ型懸浮器.ppt
WTJ型固定角度彎接頭.ppt
WH型可換套穩(wěn)定器.ppt
WHG型可換套滾子穩(wěn)定器.ppt
WD-S型水力式外割刀.ppt
WD-J型機(jī)械式外割刀.ppt
Screening Criteria ...
Chemical EOR化學(xué)驅(qū)油表面活...
Chemical Grouting
Application of Dril...
Possiblechemicalstr...
Discovering geochem...
Possible chemical s...