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单词 crack arrester
释义 crack arrester
[`krak ǝ`res·tǝr]
NAVAL ARCHITECTURE
1. On a ship, a plate riveted over another plate where the latter has a crack or a stressed area where a crack might begin.
2. A hole or slot formed at the end of a crack to keep it from spreading, or in a stressed area to prevent a crack from beginning.
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