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ߣ_l(f)o(h)̡Դԭ(chung)rg2018-12-27 9:46:05g[230476
(ni)ժҪ ʯϑ(yng)ԓ100mm200mm֮g۞5ٷ֮Ҫ@¶eģʯ^#ҪԽ250mm,#СС50mm.1mߵ�ʯ\W(wng)b300mmߵʯϣ0.5mߵʯ\W(wng)b250mmߵʯʯϳW(wng)һÿӺȿ30cmǡ(dng)v(sh)Bƽ̹
ʯϑ(yng)ԓ100mm200mm֮g۞5ٷ֮Ҫ@¶eʯ^#ҪԽ250mm,#СС50mm.1mߵ
�ʯ\W(wng)b300mmߵʯ0.5mߵʯ\W(wng)b250mmߵʯʯϳW(wng)һÿӺȿ30cmǡ(dng)v(sh)Bƽ̹

\30cmµģһM(jn)bʯϕrⲻҪpPVCͿӡʯ\ʯb^xÙC(j)е˹ϵʩkÙC(j)еbϲԽʯ\߶ȵ1/2,˹߅ĉKʯ[Ҏ(gu)ü(x)ʯp܌(sh)Ȼٳm(x)bСʯp(yng)Ҫڃ(ni)治Сʯϡ
o(h)¹ʯ\܉СһЩ鹤ʯ\܉һЩ
�ʯ\W(wng)bډ@¶pӽPֱb߅0.5mߵʯ\W(wng)o(h)¹вڃ(ni)䓽̶böʯ\W(wng)ĕrÿbs25-40mm플ƽ̹#Сp϶C플ӵgb㕽ӡ
ڌʯϺbW(wng)ƽ̹#СյغϾW(wng)wW(wng)wcW(wng)|ĿҎ(gu)tM(jn)нԱ㌢ʯ\ʯ\㕽һⲻҪpľW(wng)zPVCͿW(wng)w߅z߅@Ȧ߅HowcW(wng)gY(ji)(sh)