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【毎日一題 第86題】2017.5.25

2017-05-25View Original

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安全弁の作動圧力は、圧力容器の作業圧力の_________倍です。a.1.00~1.1 b.1.2~1.3 c.1.05~1.1 d.0.9~1.0 答え:C
海川ネットのメーデー特別イベント「記憶しよう・栄光の瞬間」へのご参加を心よりお待ちしています。
http://bbs.hcbbs.com/thread-1774529-1-1.html(出典:海川化工フォーラム)
海川ネットのメーデー特別イベント「記憶しよう・栄光の瞬間」のまとめ記事
http://bbs.hcbbs.com/thread-1774532-1-1.html(出典:海川化工フォーラム)
発想力を活かすイベント 第1回投票選考(マウス操作で結果を変えられます)
http://bbs.hcbbs.com/thread-1776507-1-1.html

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