Introducing a boring method of a ship used decelerator casing.
介绍了某船用汽轮机减速器壳体的镗孔方法。
Ship motion control is very boring, especially for long distance shipping and the bad weather condition.
船舶操纵是一件枯燥乏味的事情，尤其在长距离航行和恶劣天气状况下。
Ship motion control is very boring, especially for long distance shipping and the bad weather condition.
船舶操纵是一件枯燥乏味的事情，尤其在长距离航行和恶劣天气状况下。
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