常見例句雙語例句The key points of fillet welding and NDT arc introduced form practical experience for 300 MW boiler steam drum.從實際焊接工藝入手，重點介紹了管座角焊縫的焊接與探傷的要點。Described is a method of superheated steam regulation for the heat recovery boiler of a gas steam combined cycle power plant, the so called boiler drum saturated steam attemperation.介紹了燃氣—蒸汽聯(lián)合循環(huán)電站余熱鍋爐過熱蒸汽調(diào)溫的一種方法—自身飽和蒸汽減溫。Besides, the fatigue damage for both the boiler steam drum and the notch specimen under varied amplitude low cycles is investigated with the effect of average stress taken into account.同時還研究了變幅低周疲勞下缺口試件和鍋爐汽包的損傷，并考慮了平均應(yīng)力的影響。 返回 boiler steam drum