ʯ\W(wng)bډ@¶p
ߣ_l(f)o(h)̡Դԭ(chung)r(sh)g2018-12-27 9:46:05g[216332
(ni)ժҪ ʯϑ(yng)ԓ100mm200mm֮g۞5ٷ֮Ҫ@¶eģʯ^#ҪԽ250mm,#СС50mm.1mߵĺʯ\W(wng)b300mmߵʯ0.5mߵʯ\W(wng)b250mmߵʯϡʯϳW(wng)һÿӺȿ30cmңǡ(dng)v(sh)Bƽ̹
ʯϑ(yng)ԓ100mm200mm֮g۞5ٷ֮Ҫ@¶eʯ^#ҪԽ250mm,#СС50mm.1mߵ
ʯ\W(wng)b300mmߵʯ0.5mߵʯ\W(wng)b250mmߵʯʯϳW(wng)һÿӺȿ30cmңǡ(dng)v(sh)Bƽ̹

\30cmµģһM(jn)bʯϕr(sh)ⲻҪpPVCͿʯ\ʯb^xÙC(j)е˹ϵʩkÙC(j)еbϲԽʯ\߶ȵ1/2,˹߅ĉKʯ[Ҏ(gu)ü(x)ʯp܌(sh)Ȼٳm(x)bСʯp(yng)Ҫڃ(ni)治Сʯ
o(h)¹ʯ\܉СһЩ鹤ʯ\܉һЩ
ʯ\W(wng)bډ@¶pӽPֱb߅0.5mߵʯ\W(wng)o(h)¹вڃ(ni)䓽̶böʯ\W(wng)ĕr(sh)ÿbs25-40mm플ƽ̹#Сp϶C플ӵgb㕽
ڌʯϺbW(wng)ƽ̹#СյغϾW(wng)wW(wng)wcW(wng)|ĿҎ(gu)tM(jn)нԱ㌢(g)ʯ\ʯ\㕽һⲻҪpľW(wng)zPVCͿW(wng)w߅z߅@Ȧ߅HowcW(wng)gY(ji)(sh)