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【毎日一問】ポンプ機器技術交流版20180309

2018-03-09View Original

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参加:賞3財富;正解:報酬10富;注:48時間以内に正しく回答すると10財富が報酬として与えられます。この投稿の有効期限は48時間です。 判断問題:同期歯車の摩耗はスクリューポンプの圧力低下を引き起こす。 正解:× 同期歯車の摩耗はスクリューポンプの振動を引き起こす https://attach01.hcbbs.com/forum/201801/05/235057wnwxbzxb311ikvvz.jpg.thumb.jpg
Reply #22018-03-09
いいえ、でも理由がわからないので知りたいです

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