вW(wng)һˇc(din)ɰ沣M(jn)нzW(wng)ӡˢòo(h)Ĥ̺g̈Dڰgˎˮoֹ2050ȡϴɃóƷ(jng)^̎IJƷa(chn)SMw⾀l̷ͨo_(d)ˇg(sh)ЧˇO(sh)䡡1ˮ估ܵҪPVCPVCҪ10—12mmȡ2C(j)еҪ3(g)O(sh)ҪMܷ4ߴҎ(gu)͑ҪɱˎˮƼSo(h)1ḡˮ=11ϡƵˎˮwܷҜȻ컯45Сr(sh)ˎˮݕr(sh)g2050犣ݕr(sh)gL(zhng)̌(du)g̵ĸߌӶȺͱSMзdzӰr(sh)gL(zhng)tgұ֮t\(x)āҪ(du)ЧҪ_ݕr(sh)g2ˎˮ^һΕr(sh)gȕ(hu)g̸ߌӶȲm(dng)L(zhng)ݕr(sh)gЧ@Ҫ]ḡ3ˎˮʹһΕr(sh)g(hu)a(chn)һЩɫ(yng)r(sh)t(hu)Ӱ푱ЧĶa(chn)߅ɫ