轮机英语【轮机长】题库

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If there are micro-seized areas on the liner or skirt, scratch-over manually with a coarse carbo-run...

If there are micro-seized areas on the liner or skirt, scratch-over manually with a coarse carbo-rundum stone, moving the grindstone_____at an angle of 20 to 30 degrees to horizontal.
  • A. clockwise
  • B. anticlockwise
  • C. crosswise
  • D. vertically
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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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