 (N)

硹Ӿͧ 硵ͧٴԴ˹ֺѺ ҧҹ ͧҡ硹Ӿǹ 觨ջԡҡѺ㹢ǻШ + - ҧ ѡԷҵѺ
硹Ӿ硹Ӿ
ѵ硹Ӿ硹ӾͧǷҧҹͧͧ ҹ ҹѲʹ Ѳҡ㹡÷硹ӾẺԻѭҷʹ͡ѹ 觻Ѩغѹ硹Ӿҷ Һ Ԫ Тä մ 繵 ǹ硹Ӿǹ㹡÷Ӿͧ к٪ͧҧͧѧ
Ѩغѹ硹ӾҵԨ䷵ (Magnetite) ٵ÷ҧ Fe3O4 ѡɳմ 硻ҳ 50 ոҵҡ 50-80 繢 СѺù件ا÷硺ط Ͷا͡Ǩѡɳоաҫҵͤ ͡䫴 ǹ价ѵŵҧ ʧ Тä Һ մѴ մ Ԫ 繵 Ҥ硹Ӿط 100 š 4,500 ҷ
硹Ӿչ˹ѡҤѺѡɳоع§ ѧ 㹡ùҨѴҧѵŵҧ ͧҼٵâͧзѺդᵡҧѹ 硹Ӿ 100% 㹡èѴӤҧҡ ͧҡᵡѡ§Ѻ ѧ 硹Ӿǹ ҡ ռŵ͡ôٴԴ硴蹡ѹѺ
ѵ 119 ǧع Ѵҹҹ ¡÷Ѵҧ硹Ӿ 硹Ӿ ӹǹ 2 ¡ô¡ѹ 㹪شҧ ҳ硹Ӿ С觰Ե 硹ӾѺ ҧ 499 ͧҹ
ѧҡѺǡҷӡ÷ͺ硴ٴԴ˹ֺҧҨԧ ҧҵԴѹ٤Ѻ
͢ͺسźҧǹҾҡ https://sites.google.com/site/namphiuttaradit/
ͺسѺ
 |
|