Ҭ҂?ni)ճгҊ߲ζrɿڣI(yng)B(yng)S˂ϲۡڻҬ˷Nֲ^Ʒ|(zh)׃Ƿdz^۵ģČҽBҬƷ|(zh)׃ԭμ҅
һڬF(xin)
YF(xin)l(f)ԭڬF(xin)ֲ?du)IB(yng)w^Сr(sh)^γɻֱL(zhng)5-8L(zhng)ĬF(xin)γɿɶN،(do)£1ֲL(zhng)r(sh)gĵ͜Ӱ푣Tʹѿֻʹֲ~^Сr(sh)γɻ2ɺز㣬(do)ֲ?du)IB(yng)L(zhng)γɡС硱F(xin)(hu)ɞС3ƷNxò(dng)＾ƷNڴr(sh)ƷN^~e^Сr(sh)ܮa(chn)(do)ڬF(xin)
Ό(du)ߣ1xЙC(j)|(zh)ɷֵ࣬ʩM(jn)I(yng)B(yng)ٰl(f)ɏڶͻγڣʝˮҪr(sh)2(yn)ƷNԣmڲNǰֲM(jn)жڹ︲wؕ͜r(sh)g̫L(zhng)
ϻ
YF(xin)l(f)ԭϮa(chn)GɫСƬƬȲF(xin)ϻڻγɼtײɫgڻl(f)gܵ͜Ӱ푶γɵ
Ό(du)ڽY(ji)gӏ(qing)ڵ͜REȻ֮ǰM(jn)жڵĹﱡĤwԱֲܵBm(x)͜Σ
ѻc
YF(xin)cl(f)ԭѻ(ni)_ѣ֦(ni)ʿն泣F(xin)ɢˮɫc(din)ʳ֮ζ܇С~l(f)ȫ~~l(f)СѼyL(zhng)c(din)ήsȰYҪȱ(do)µȱ⛄tɺ
Ό(du)ߣ1Ҭ˶ֲǰȡ䷽ʩʣͬr(sh)ÿʩɰ0.25-0.502L(zhng)gl(f)F(xin)ֲF(xin)ȱȱ⛰Yr(sh)r(sh)~χʩ0.20%-0.30%ɰᣩҺ0.20%Һ5-7쇊1ΣB3μ
YF(xin)l(f)ԭ֦l(f)^(do)ɢγԭ1Y(ji)gض^ߣ֦L(zhng)ѸL(zhng)(do)ɢ2L(zhng)ɺr(sh)
Ό(du)ߣ1mڲNL(zhng)ڰվ15-23·ԱY(ji)gĸߜӰ푣2ڻL(zhng)A߅δɢ_r(sh)r(sh)
YF(xin)l(f)ԭҬa(chn)(hu)F(xin)׃SĬF(xin)(yn)Ӱ˻Ҭ˵Ʒr(ji)ֵҪڻ(qing)չγɵģƷNl(f)^
Ό(du)ߣ1L(zhng)ֱ3וr(sh)Ɍ1-2Ƭ~ppۏʹ֮wڻ2~ֲĵĎƬ~϶õݵ
YF(xin)l(f)ԭëʽqë＾гаl(f)γëԭҪDz^t^ߜضȶѿM(jn)һֻ
Ό(du)߸(j)ƷNmڲNͶֲmr(sh)
ϾDZĞҽBP(gun)ҬƷ|(zh)׃ԭμɣϣ(du)ҷNֲҬףԸҷNֲĻҬ˶ѳL(zhng)@S