封隔

  • 网络Pack-Off; pack

封隔封隔

封隔

Pack-Off

terms in deepwater reference book... ... Packoff 封隔 Pack-Off 封隔 Pack-Off Assembly 封隔总成 ...

pack

封隔性,barrier... ... ) barrier property 封隔性 ) pack 封隔 ) packer 封隔器 ...

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