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桥塞
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桥塞
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桥塞
释
bridge plug
桥塞
为满足油水井某种工艺技术或措施的需要,进行井下分层、封隔的专用工具。又称封隔器。
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Wakayama-ken
wake
Wakefield
wake field
wake flow
wakefulness
Wake Island
wake models
wake of boundary layer
wake oscillator model
wake parameter
wake radiation
wake resistance
wake-up primitive
Wakhan Corridor
Wakimoto free field representation
Wakimoto free-field representation
Waking of Insects
Walachia’s Uprising of 1821
Wala Tribes
Walbrzych
Walcamonika
Wald
Wald distribution
Walden
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