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wƤȫQǡ(x)wS(qing)PUƤИO䃞(yu)ĥܣ(yu)ͺϻܡ PUǾ۰۰Ƥ;Ѓ(yu)
(jin)
PU Ӣpoly urethaneĿsW(xu)Q۰
wƤȫQǡ(x)wS(qing)PUƤИO䃞(yu)ĥ(yu)ϻܛmк(qing)g
wƤõƤƤycƤʮָc(din)ܛ˺yֱƤ߀ƤwƤȫQ鳬(x)wSɳl(f)ҲƤںϳɸеһN_l(f)ĸߙnƤƤĥͺϻ|(zh)ܛԼ^Ưȃ(yu)c(din)ѳɞȻƤxȻƤSּ(x)ȵzԭwSӺ;W(wng)ӃɌӣɘO(x)zԭwSW(wng)^ֵzԭwS
PUǾ۰۰ƤЃ(yu)ڇ(gu)⣬ڄ(dng)ﱣo(h)f(xi)(hu)Ӱ֮g(sh)İl(f)չ۰ϳɸܺ͑(yng)泬^(gu)ȻƤ볬(x)wS۰gԺĥԵõM(jn)һӏ(qing)@ӵƳƷo(w)Ɇ(wn)ஔ(dng)(yu)[1]
2(yng)
bЬ܇v܇|܇_|ҾƤɳl(f)[2]
3PUƤcȻƤ
ȻƤھЃ(yu)ȻԱ˂Va(chn)ƷI(y)ƷS˿ڵL(zhng)(du)Ƥ(sh)ȻƤѲܝM˂@NQ@һìƌW(xu)҂ʮǰ_ʼо_l(f)ϳƤԏa(b)ȻƤIJ50оvʷ^(gu)̾ϳɸȻƤ(zhn)^(gu)
ƌW(xu)҂оȻƤĻW(xu)ɷֺͽMY(ji)(gu)_ʼwSM(jn)뵽PVC@˹Ƥĵһa(chn)ƷƌW(xu)@һA(ch)ϣ˶ĸM(jn)̽,ǻķĸM(jn)SͿӘ֬ĸԺM(jn)20o(j)70ϳwSğo(w)F(xin)ᘴ̳ɾW(wng)ճY(ji)ɾW(wng)ȹˇʹľź桢wS_(d)˶Y(ji)(gu)ȻľW(wng)Y(ji)(gu)Ҫ;(dng)r(sh)ĺϳɸ(x)Y(ji)(gu)۰ஔ(dng)ȻĶʹPUϳɸ^̓(ni)ڽY(ji)(gu)cȻӽԶӽȻָ(bio)ɫɱȻrG;䳣_(d)100f(wn)͜Ҳ_(d)Ȼˮƽ[3-4]
^PVC֮PUϳɸ{(jng)^(gu)Ƽ҂30ĝо_l(f)ȻƷ@ͻԵļg(sh)M(jn)
PUͿڿF(xin)20o(j)50Ј(chng)1964(gu)Ű˾_l(f)һNЬ͵PUϳɸ(jng)^(gu)20IJо_l(f)PUϳɸo(w)Փڮa(chn)Ʒ|(zh)ƷN߀Ǯa(chn)϶õ˿ٵL(zhng)Խ(li)ԽӽȻƤijЩ^(gu)ȻƤ_(d)cȻƤyֵij̶ȣճռ(j)ʮҪĵλ[5]
(gu)(ni)(gu)HЈ(chng)ϳF(xin)˳(x)wS۰ϳɸǵ˹ƤSY(ji)(gu)W(wng)j(lu)ğo(w)ϳɸڻķ愓(chung)sȻƤėlԓa(chn)ƷY(ji)Ƶľ_Y(ji)(gu)PU{Ͻn(f)ӵļӹg(sh)l(f)]˳(x)wSe͏(qing)ҵˮʹó(x)(j)PUϳɸ(x)zԭwSȻеԣՓă(ni)^Y(ji)(gu)߀^|(zh)мԺ˂mԵȷ棬c(j)ȻƤ(x)wSϳɸͻW(xu)|(zh)һԡa(chn)ӹm(yng)Լˮù׃Եȷ^(gu)ȻƤ[4]
(sh)`Cϳɸĸ(xing)(yu)ȻƤo(w)ȡć(gu)(ni)Ј(chng)(li)ϳɸҲѴȡYԴȻƤPϳɸbЬ܇vͼҾߵbõЈ(chng)Ŀ϶䑪(yng)÷֮V(sh)֮ƷN֮࣬ǂy(tng)ȻƤo(w)M
4c(din)
wƤҪc(din)
1ζȿԺȻƤ؏_(d)20f(wn)Οo(w)Ѽy͜أ-20棩3f(wn)Οo(w)Ѽy͜C(j)еԺã
2L(zhng)mУƤк)
3˺я(qing)Ⱥ̈́x(qing)^ߣĥ˺(qing)ȸߣ
4a(chn)ʹò(hu)κȾh(hun)܃(yu)Խ
wƤ^ЧƤa(chn)Ʒĺ˺я(qing)ɫrGȼʵȷ߀(yu)ȻƤѽ(jng)ɞ鮔(dng)ϳɸİl(f)չwƤKۣøߘ(bio)̖(ho)ͻˮϴвЙC(j)܄ЉAԵ|(zh)ϴԷ|(zh)ܓpwƤʹ×lᶨ͜ض100r(sh)^(gu)25 犣120r(sh)^(gu)10犣130r(sh)^(gu)5
5PUƤƷB(yng)
坍
1.մˮϴ섩ϴͲϴ
2.ܸϴ
3.ֻˮϴˮϴضȲܳ^(gu)40
4.(yng)ؕ
5.ܽ|һЩЙC(j)܄
6.PUƤҪb״ղ,b
PUcԣ
1.(qing)ȸЏԣܛ(rn)ˮԺãɷˮ
2.͜Ծ^õĿ(qing)Ⱥ _(qing)^õϻԺˮⷀ(wn)
3.ĥ^ܾӽȻƤϴȥۣp
4.⻬oM(jn)жN̎ȾɫƷN