This paper describes corrosive certainty and gravity for ageing aircraft, and poses a series of measures preventedand controlled corrosion of ageing aircraft.
本文阐述了老龄飞机腐蚀的必然性和严重性，同时也提出了预防和控制老龄飞机腐蚀的一系列措施。
Solidified water flows into balance jar upon itself gravity. Keeping certain water level in the jar through an automatic controlled discharge valve, which forms a water seal.
凝结水靠本身重力流入平衡罐，通过自动控制的排水阀，保持罐内的一定水位，形成水封。
Solidified water flows into balance jar upon itself gravity. Keeping certain water level in the jar through an automatic controlled discharge valve, which forms a water seal.
凝结水靠本身重力流入平衡罐，通过自动控制的排水阀，保持罐内的一定水位，形成水封。
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