hʯ\W(wng)SԭϽپķxǣ\z\z\z僸\z\XϽz僸ߠzϡϽzԼܽz(yng)ڲͬh(hun)еʯ\W(wng)Sxòͬ̎k(li)҂Bһʯ\W(wng)SҎ(gu)(gu)ɷxʲô?
1.ʯ\W(wng)SҵҎ(gu)Bʯ\W(wng)SһNhB(ti)W(wng)Y(ji)(gu)ʯ\W(wng)Sи߿gߏ(qing)չԵĵ̼䓽zSPVC䓽z\(yn)ÙC(j)еɣʯ\W(wng)Sʯ\W(wng)Sɵʯ\W(wng)Sʯ\W(wng)Sҵ߅ؾֱһҪھW(wng)ֱpgϲһpgԴ_gϲ䓽zĽ僌ӺPVC僌Ӳܓp
ʯ\W(wng)SҞһγͳa(chn)w߅壬˰װgɷָL(zhng)/ȹ(5%)߶ȹ(5%)(ni)ÿ1xøɪ(d)ĆԪxýMbkw߅壬˰װΪ(d)a(chn)MbɾW(wng)䓽zP@`W(wng)߅zxôֽzӏ(qing)ʯ\W(wng)Sď(qing)
MԺãӹ\(yn)ͱɰO(sh)Ӌ(j)ҪɸNΠ(x)ɽӞ͵̷Π
2.ʯ\W(wng)SҵĮa(chn)ƷҎ(gu)ʯ\W(wng)S\(yn)ÙC(j)پĆܾİξW(wng)(ǾW(wng))ƳɵİܾW(wng)0.15-0.5m(0.5m)ʯ\W(wng)SɸּtɆԪ˼ӏ(qing)ʯ\W(wng)S҉|Y(ji)(gu)ď(qing)е߅˾xֱİ䓽z
ʯ\W(wng)SҷֽپPVCPEͿӃɂ(g)\(yn)õĽپǸ(j)εľ(x)ͬa(chn)M(jn)ǽ(jng)W(wng)i߅Ƴʯ\W(wng)SҺhZo(h)|