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Ob Chav Ram Bop - Muaj peev xwm txhim khu kev qha
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Chav Tswj Bop - Ua kom muaj kev nyab xeeb zoo thiab tswj
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Coiled tubing bop: nrhiav cov khoom siv zoo hauv online
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Annatular BOP: Ua kom muaj kev tiv thaiv kev tiv thaiv kev ua haujlwm drilling
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Ib Leeg Ram BOP - hwm zoo cov hydraulic taub hau hydraulic