【毎日一問】工程基礎知識（判断問題）20191118
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計量ポンプのピストンが容積が大きくなる方向に動くと、低圧が生じ、排出弁が自動的に開き、一方で吸込み弁はポンプ外部の液体の圧力によって閉じられます。誤りです。
エラー。まさにその逆、「閉じる」、「突き破る」”
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