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(dng)ǰλã(y) > a(chn)Ʒ > ˮˎϵ >

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(dng)ǰλ(y) > a(chn)Ʒ > ˮˎϵ >

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l(f)r(sh)g23-06-09 g[

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݄ķNܶͬ͵݄ҪDzͬ

1ЙC(j)݄ЙC(j)݄һNڿ՚ИO׷ɢ(wn)Ժáݕr(sh)gL(zhng)(hu)c|(zh)l(f)(yng)݄ҪڼӡȾИI(y)ݵ

ЙC(j)݄(j)wϵͬҲһһrwϵмһݾͿ_(d)A(y)ڵЧ磬ڼӡȾИI(y)ʹЙC(j)݄1-3w(j)wϵĴС|(zh)M(jn){(dio)

ЙC(j)݄һʹ÷ǣ݄ˮ1ݮa(chn)Ʒˮ50-100ݵı򔇰ܽ⣻ʹǰ݄cˮ1ݮa(chn)Ʒˮ10-30ݵı?jn)?/span>


2݄ʹÕr(sh)һ0.01-0.10%ԃ(ni)

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݄֬0.05-2%֮g݄֬0.002-0.2%֮g


3݄

݄Ч^ãһ0.002-0.005%ԃ(ni)


݄^wS͝(rn)0.025-0.25%֮g

5݄

݄ҪwSӹʹã0.02-2%

6݄

݄켈ӡȾϴõı^һ0.025-0.25%

 

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