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        1. Ӣҽ̾W(wng) > > }ĿԔ
          ڌW(xu)\(yn)g(sh)ưȤζΑ(dng)УС(j)ͨrվr(sh)ߴs_L(zhng)7@һR(sh)(li)_ˡߡɵ21}D֪_ӡL(zhng)   cmˡ߼s   m
          25.101.757

          ԇ}ʹÿ̶ȳx(sh)r(sh)ҪxֵֶһλDʾߵķֵֶ1mmҪx׵һλߣ
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          Ŀ (li)ԴԔ (sh)(yn)}

          8֣ŒW(xu)_(ki)W(xu)꼉(j)W(xu)I(lng)µn
          lDʾÿ̶ȳߜy(c)nČ            cm
          2һ(sh)|(zh)240gƽˮƽcĽ|e480cm2(du)ĉ(qing)gȡ10N/kg
          3(sh)ƽŸĞDʾ(du)ĉ(qing)׃(xi)Д(j)

          鿴𰸺ͽ>>

          Ŀ (li)ԴԔ }

          (xi)Nxx(sh)
           
          (1)D(a)wL(zhng)             cm
          (2)D(b)МضӋ(j)ʾ(sh)             
          (3)D(c)ʾ(sh)             

          鿴𰸺ͽ>>

          Ŀ (li)ԴԔ x}

          ˽ԼwrСһЩy(c)ӛe(cu)`ǣ   
          A|(zh)50kgB160m
          Cw37D1min75

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          Ŀ (li)ԴԔ (sh)(yn)}

          x(sh)3֣
          1DľKL(zhng)Ȟ__________cm
          2Dбʾһ֧ضӋ(j)һʾ(sh)__________
          3Dԓʾ(sh)__________s

          鿴𰸺ͽ>>

          Ŀ (li)ԴԔ }

          ijͬW(xu)÷ֵֶmmĿ̶ȳߜy(c)ijwL(zhng)εӛ䛔(sh)(j)քe飺17.82cm17.83cm17.81cm17.28cm17.81cmF(xin)e(cu)`Ĕ(sh)(j)__________wL(zhng)ȑ(yng)__________

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          Ŀ (li)ԴԔ }

          һ̶ȳߌ(du)ijһwL(zhng)M(jn)˶Μy(c)y(c)ֵքe36.3cm36.4cm36.4cmtʹõĿ̶ȳ߷ֵֶ    wL(zhng)ȑ(yng)ӛ        

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          Ŀ (li)ԴԔ }

          W(xu)һT(mn)Ԍ(sh)(yn)A(ch)ČW(xu)(sh)(yn)ЃxxʹDZزٵ
          1Dx(sh)r(sh)ҕ_      xAB wL(zhng)Ȟ       ̶ȳߵķֵֶ        

          鿴𰸺ͽ>>

          Ŀ (li)ԴԔ x}

          йy(c)ӽ(sh)H
          Aͨһӵĸ߶ȼs3m
          Bͨnĸ߶ȼs10cm
          C}(dng)ÿ65
          D˵IJٶ5m/s

          鿴𰸺ͽ>>

          ͬ(x)(c)