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美国空军感到很头痛的问题,是许多用一般弹性密封剂的飞机整体油箱一直存在着渗漏。由于渗漏不得不经常维修、更换,使费用增高。美国目前一些飞机油箱渗漏维修费的比较见表1。很明显,采用铆接密封的F-111A的维修费最高,每飞行小时达12美元(以下均为美元),而采用胶接密封的F-106飞机的整体油箱维修费则最低,还不到0.5分。据报道,
The problem the U.S. Air Force feels very troublesome is that there has always been a leak in the overall tank of many aircraft using a general elastomeric sealant. Due to leakage have regular maintenance, replacement, the cost increased. At present, some aircraft fuel tank leak maintenance costs in the United States are shown in Table 1. Clearly, the F-111A with riveted seals had the highest maintenance costs of up to $ 12 per flight hour (all of the following are U.S. dollars), whereas the F-106 with a glued seal had the lowest overall tank maintenance costs of less than 0.5 Minute. According to reports,