可学答题网 > 问答 > 船舶动力装置题库,海船船员考试题库
目录: 标题| 题干| 答案| 搜索| 相关
问题

Before a marine diesel engine is start


Before a marine diesel engine is started the cylinders and pistons must be ().

  • Acooled to appropriate temperature
  • Bwarmed up gradually to appropriate temperature
  • Copened up and renewed
  • Dground and polished
参考答案
参考解析:
分类:船舶动力装置题库,海船船员考试题库