H-piece
plural of beachcombing
plural of headshrinker
(transitive, intransitive, hiking, climbing, colloquial) To reach the summit of a mountain.
(mining) The part of a plunger pump that contains the valve.
安全検査の際、プランジャーポンプの弁室にひび割れが見つかり、弁が漏れて生産が遅れました。
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