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型機械式外割刀.ppt
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Wellheads and Casing
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Application of new ...