'I think it is C-O-L-E-H-D,' he says.

“我想是C -O - L - E - H - D吧”，他说。

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Flushing L. O. system of stern tube.

艉轴管滑油系统的投油清洗。

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O. (L. O.) filter high pressure difference alarm.

燃油(滑油)滤器高压差报警f。

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O. (L. O.) filter high pressure difference alarm.

燃油(滑油)滤器高压差报警f。

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