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波音737CL 后货舱前下部中央缘条区域的电化腐蚀,是导致 BS727加强框中央缘条应力腐蚀或者腐蚀疲劳裂纹的根本原因。为此提出了预防和控制中央缘条应力腐蚀或者腐蚀疲劳裂纹主要措施。
Electrochemical corrosion of Boeing 737CL in the lower center of the front of the cargo hold is the root cause of stress corrosion or corrosion fatigue cracks in the center flange of BS727. Therefore, the main measures to prevent and control the stress corrosion or fatigue crack of the central rim are put forward.