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旁通阀
释义
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Encyclopedia
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释
by-pass valve
旁通阀
当钻井过程中发生溢流且钻头水眼被堵无法进行压井时,用于循环或压井的装置。
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Gu Yuzhen
Guyuzhou
Guy Vanderhaeghe
Guzang
Guzhangian Stage
Guzhang Maojian tea
Guzhang Xian
Gu Zhaoqi
Gu Zhaoshen
Gu Zhen'an
Gu Zhenchao
Gu Zhenguan
Gu Zhengyi
Gu Zhenxia
Guzhen Xian
Guzhen Zhen
Gu Zhiwei
Gu Zhizhong
Gu Zhong
Guzhong Temple
Gu Zhongyi
Guzhou Science and Technology Museum
Guzhu tribute teahouse site and cliffs
Guzici (speaking and singing performance accompanied with drums)
Gu Zijing
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