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An increased pressure differential between the inlet and outlet of a strainer usually indicates the ...

An increased pressure differential between the inlet and outlet of a strainer usually indicates the strainer is _______.
  • A. holed
  • B. fouled
  • C. clean
  • D. dry
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第一章 船舶主推进装置
第二章 船舶辅助机械
第三章 船舶电气和自动化
第四章 船舶轮机管理业务
第五章 国际公约、规则
专项训练一
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