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On engines having oil cooled pistons t


On engines having oil cooled pistons the lubricating oil pre-heater must be put into operation and the rate of heating so () that the temperature of the piston cooling oil returns are 32℃ to 35℃ over a period of at least two hours.

  • Aslow
  • Bquick
  • Carranged
  • Dhigh
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分类:船舶电气与船舶安全题库