Change in length , 81 : 2 01 E 1 = Again , ei 25 X 106 200 x 10 ° ( 1 – 2 x 0.3 ) = 0.00005 m Si But , ey = ... 1 81 = e , x 1 = 0.00005 x 3 x 103 mm = 0.15 ...
確定! 回上一頁