According to United States Air Force officials, a cannon that shoots dead chickens at airplanes has proved helpful in demonstrating what kind of damage can result when jets fly into a flock of large birds.
According to United States Air Force officials, a cannon {that shoots dead chickens at airplanes} has proved helpful in demonstrating {what kind of damage can result when jets fly into a flock of large birds.}
According to ... , a cannon ... has proved helpful in demonstrating what kind of damage can result ...
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发表于 2007-10-21 13:53:00
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