-> dBz
dBǷz
rg2013-12-26 17:52:52 dBt(y)Ժ
҂Ҫע҂߅ļôdBǷz?@ӵļ˂f(dn)ĵģܶļ߶鼲zҪ҂ҪeJ(rn)˽҂߅ļ҂ҪԔ(x)ĽBһdBǷz?
ŴҶ֪dBǶ̕ĴXϵKһNԼҰdBoߵһ{һ^۵ļdBǾһzԵģôdBǷz?dBl(f)ָX(jng)Ԫ^ȳͬɵRF(xin)ͻȻһ^Yڮ늵(jng)ԪڴXеIJλͬжNӵıF(xin)\ӸX(jng)İлRX̶ȵ׃
dBdzҊ(jng)ϵy(tng)(j)l(wi)My(tng)Ӌʞ0.5%dBǷz?ȫ5000fdB҇s600fЃɂl(f)߷ͯˣ҇l(f)ʞ35/10fÿ°l(f)s30fôdBz?(j)ɌdB֞:1.ԭl(f)dB(czP(gun))2.[ԭdB(Ŀǰzֶδܰl(f)F(xin))3.YdBl(f)F(xin)_İdB
dBǷz?ʾмʷˣһdBĎʱț]мʷһdBĎҪһЩ^dBzĎǺСzĎʸС^ē(dn)ġdBz@}Ó(dn)Y(ji)ҪӣҐ˛]аdBҲ]мʷzĎǺС
ԴҲ؞dBz@}(dn)Y(ji)ҪҐ˛]аdBҲ]мʷzĎǺСǞ˱fһrF(xin)ǰȥt(y)Ժϵy(tng)zt(y)ָ(do)Ü(zhn)乤ԼͺӵĽؓ(f)؟(z)!
Ŵґ(yng)ԓ֪dBǷzһЩmȻzǰdBzDZ^С^߀ҪJ(rn)ČڑgҪкõ(x)T@ӌ˂fЎģڰdBκΆ}ֱԃ҂ČҕoMĻش
аdBĆ}ՈԃھҞ