光気の流量制限はいくつですか
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光ガスの配管を設計する必要がありますが、この光ガスの流速には明確な制限はありますか？最大でいくらまでですか？懇願します！！！
オルガンに特化した規格はないが、調節弁の一般的な規格を参考にして、0.33マッハを超えないようにすることは可能か？
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