Samson post
simple past tense and past participle of deadcenter
(nautical) A strong post resting on the keelson and supporting a beam of the deck. / (nautical) A temporary or movable pillar carrying a leading block or pulley for various purposes.
plural of optic cup
(organic chemistry) Modified by the addition of, or by cyclization to form, a cyclohexane ring
航海試験の前に、船大工は竜骨梁に接して甲板の梁を支える頑丈な支柱を注意深く点検し、それが荷重に耐えられるか確認した。
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