ʯ\W(wng)(ڸeW(wng))ǽپľĽξW(wng)(ǾW(wng))ƳɵľW(wng)ʹõĽپǸ(j)εĴСͬ
ǽ僌ӵĽپtʹþ2.0mm4.0mmĽپPVCĽپǾW(wng)tʹ⏽3.0mm4.5mmPVC()߅ľtʹñǾW(wng)һ̖(ho)ľ
ʩʯ\W(wng)ĕr(sh)ҪעЩ
ˮʩĵطɲÎˮI(y)ʩ
ʩǰҪ(du)ʯ\W(wng)ʯM(jn)Йz(yn)
Ҫʯ\W(wng)bǰ(du)ˮȼλõĜy(c)y(c)ȸ(j)ÿ(g)ڸeʯ\W(wng)СӋ(j)öپW(wng)估ʯ\W(wng)Δ[
(dng)?sh)bʯ\W(wng)^(gu)оW(wng)Ҫ[λԽλx(yn)ƵԴ_bʯ\W(wng)λÜ(zhn)_
õbO(sh)bMʯ^ʯ\W(wng)ŵָλ
ʯ\W(wng)(ni)(j)O(sh)Ӌ(j)Ҫm(dng)?sh)ʯ^Cʯ^ССھW(wng)W(wng)״Сtʯ^(hu)(li)ʧȥo(h)a(b)̉εãꮅʯƽw
ʯ\W(wng)P(gun)(xing)ϣ܌(du)