ARJ21-700 AC107 successively completed the butt joint of mid fuselage and wings, the butt joint of mid-aft fuselage and vertical stabilizer, and the butt joint of fwd fuselage and nose from July 25th to 29th, 2013, and officially started the butt joint of complete aircraft. Next, AC107 will conduct relevant tests, such as measurement positioning, preassembly, complete aircraft tightness test and rain test.
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