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回編集
「How Regularly Should A Commercial Boiler Be Serviced」の版間の差分
How Regularly Should A Commercial Boiler Be Serviced (編集)
2023年12月18日 (月) 05:32時点における版
、 2023年12月18日 (月) 05:32ページの作成:「Most new boilers have an effectivity rating above 90%, whereas older boilers were round 60 – 70%; look out for the term A-rated as which means the boiler does in realit…」
WaynePacheco95 (トーク | 投稿記録) (ページの作成:「Most new boilers have an effectivity rating above 90%, whereas older boilers were round 60 – 70%; look out for the term A-rated as which means the boiler does in realit…」) |
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