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Ó֬˼xͨ^ӹţ̵֬Vȥʹ֬0.5%һҪ@Ó֬ţ(jin)εkǰţ̼ӟ(dng)ţ̱Y(ji)ĤԺѽY(ji)ɵĤ˷(f)״ֱţs治ٽY(ji)Ĥͫ@Ó֬ţ̡
ƷИI(y)s@ӵķ(du)ţM(jn)Ó֬߀ҪI(y)O(sh)VĤxg(sh)ţÓ֬IJx@c(din)
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2VĤxO(sh)϶ʸһ_(d)80%ͬȽĞVٿ40
3VĤĺСҺw^V|(zh)ɵēpʧdz
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PTFEĤg(sh)һֱԁǟoaYI(y)I(y)(w)ĺˎt(y)еʳƷ댧(do)wƳͨŵȼI(lng)ɻȱĽɫҪ?d)gӭԃ13616182818