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. A result of a half circle around the middle of the runway, so the starting point outside the runwa

yiaozhu1232010-03-10 18:10:02 +0000 #1
200 meters of the runway, its destination and the starting point in a straight line on the sub-sub-lottery
164,757,8092010-03-10 18:17:23 +0000 #2
400-meter running track protrusion standard number should be 7.04 meters is the distance between forward



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