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关注:1
2013-05-23 12:21
求翻译:This test is performed over canes with more than one leg. The cane should be placed with tips on a plane that can be tilted from the horizontal, with the centerline of the hinges parallel to the line joining the tips of two legs. A force of 60lbs should be placed vertically on the center of handgrip. Tilt the plane a是什么意思?![]() ![]() This test is performed over canes with more than one leg. The cane should be placed with tips on a plane that can be tilted from the horizontal, with the centerline of the hinges parallel to the line joining the tips of two legs. A force of 60lbs should be placed vertically on the center of handgrip. Tilt the plane a
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