Drilling rig parts Supplier-Jining Donghong Machinery Co., Ltd
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显示标签为“
Hydraulic Choke Valve
”的博文。
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显示标签为“
Hydraulic Choke Valve
”的博文。
显示所有博文
2017年5月11日星期四
Mfg Hydraulic Choke Valve
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Choke valve is mainly used to control pressure in the well during drilling.Control of the well is realized by adjusting the lift height of t...
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