ʯeW(wng)ǏV\ڽͨˮ@ˮֵȹĿеһNͲϽY(ji)(gu)B(ti)W(wng)njĥߏĵ̼\䓽z5%-10%X\ϡϽ僌䓽zͬ|(zh)ۺ䓽zəCеpgϾɶg߅ξW(wng)ĿľW(wng)ƬpqϲֵLȑ(yng)С5cmԲƉ䓽zķo僌ԔҊИI(y)(bio)(zhn)YB/T4221-2010eW(wng)ɸ(j)O(sh)ӋҪMb\bKʯϺBӳһw̷·oȹ̵¼g(sh)
˱C䓽zIJ|(zh)ھ^вܓp䓽z̼Ͻ䓽zO(sh)侎оƉ䓽z|(zh)僌ӵȣʩԼwF(xin)gceW(wng)䓽zֻܲõ̼䓽z^ɲ䓽zڵ̼\10%X\ϡϽ䓽zһPVCPEɲۺƷY(ji)(gu)ӾзPo늣ϻg߿߿cЧֿˮ߶Ⱦh(hun)g