cramp rings
plural of cramp ring
(nautical) A chain for slinging the lower yards, in time of action, to prevent their falling, if the ropes by which they are hung are shot away.
disease of the sinuses
Third-person singular simple present indicative form of water down
技術者は漏れを止めるためにパイプの周りにある締め付けリングを締め付けた。
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