| 摘要 |
<p>The invention provides in one aspect, a drain cover formed from a metal sheet deformed to provide a series of apertures in the metal sheet, wherein the apertures are defined by a section of deformed sheet metal either residing above a plane of the metal sheet or a section of deformed metal sheet residing below the plane of the metal sheet thereby producing a mesh-like structure, which in use allows the passage of liquid through the apertures. ~ "~7 'N"< ~ ~ ~~'-Q' Nc~' ~t 'KNtNN> >~ 'Ne' N&~ 'NN N>2 N~>, N.>, ''N- " N~ ~'N AWN ~V". %N NN >~ 'NNNKNN 'N" <C 'N 'N>, 'NC> NN~'N k< 'K 4% 'N 'N>'"$%N N>,. - N " , ~ N 'N-'., - 'N> 1' 'N 'N 'N A 'N ~ N> ', N K~A~~ '. >'N>,#< ~ >s~< k~> 7 ''N ~ Nk ~ 'N A A '~>~:". 'k~<5 7t;.j N xi$ 'Kk N '."~Z ".N 'N' A 'NC '.~7 7 <'N >4 7 'N 7 N-" 7~. > ~k N>, 'N' 'N N" to N-~ ~ {Uxuv2</p> |
