专业资料值得拥有⑴⑵⑶abc.⑴⑵⑶⑷⑸⑹⑺⑻⑼专业资料值得拥有defg(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)专业资料值得拥有(20)⑵)(22)(23)5s1015s(24)(25)(26)⑴⑵(1)(2)20kmh(3)(4)(5)专业资料值得拥有⑶⑷⑸⑹⑺(6)(7)(8)(9)(10)abc30mde(11)(12)专业资料值得拥有(13)(⑷(15)(1)(2)(3)(4)1.2(5)(6)(7)专业资料值得拥有⑻⑼(10)15300mm(11)(12)(13)⑴⑵(1)(2)(3)(4)专业资料值得拥有⑶⑷⑸⑹⑺⑸⑹⑺1.5⑻⑼(10)(11)(12)专业资料值得拥有⑻(1)(2)(1)(2)(3)(4)(1)(2)L(3)(1)(2)(3)(4)(5)专业资料值得拥有⑷⑹⑺()⑴⑴专业资料值得拥有(213)⑵(3)⑵a(a)400m(b)300mb200300mc300md200me50m50(3)(lOOm70m50m50)专业资料值得拥有⑷⑸20kg⑹⑺a.b.c5rain15min⑴⑴专业资料值得拥有⑵⑶⑵⑶⑷⑸⑹⑺⑻⑴⑵⑴ab专业资料值得拥有⑶c⑵⑶⑷⑸
