boiler plates 中文意思是什麼
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Stairs and guard rails for engine rooms and boiler rooms in seagoing ships - protecting plates
海輪中機艙和鍋爐艙用樓梯和護欄.防護板 -
It is mandatory for boiler manufacturers to state the standards of smoke concentration and blackness affected during initial discharge of their boilers on the latter ' s data plates, or in the latter ' s product manuals
鍋爐製造廠必須在鍋爐產品銘牌或者說明書中註明鍋爐初始排放的煙塵濃度和煙氣黑度標準。 -
Steel plates for boiler and pressure vessels
鍋爐和壓力容器用鋼板
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