Simplified algorithm of new version supervision regulation chart-style classification was introduced to make pressure vessels Classification class become easy.

介绍了将新版《容规》图表式划类方法的简化方法，使压力容器划类变得简易操作。

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Annapolis' working-class watermen brought in crabs in the summer and scraped the paint off wooden vessels in the winter.

安纳波利斯工人阶级夏天运来螃蟹，冬天刮掉木船上的油漆。

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Designed from the outset with potential export sales in mind, the new vessels will replace existing Type 22 and Type 23 class frigates when they reach the end of their service lives.

新舰艇从一开始设计就考虑到潜在的出口销售，并将在现有22型和23型舰服役期满取代它们。

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The Arleigh Burke-class vessels are equipped with launch tubes for Tomahawk cruise missiles, Harpoon anti-ship missiles and gun placements for close combat.

BBC: News | In Depth | Military Fact Files

The most competitive boats are the so-called meter classes, built according to a rule that sets the rough dimensions for vessels of each class.

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They also converted the first four vessels in the class to cruise-missile launchers with no nuclear role after the Cold War ended, which is why there are only 14 Ohios carrying ballistic missiles today rather than the 18 that were built.

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