Ͳ뻪˾ר̵̳ҡһҼСΪһִƷӹҵ.1988꽨Ͷ,ӵйܻ˾43200g/2800עܻһ̨ܻɷ˾35000g/2200ע̨ܻ45000g/2800עܻһ̨ʹ̨ܻʮרģߣרҵִҵô̡пմ̡̡ͰϼӹҵԼԭϡƷϻҪָﵽGB/T15234-94ұҵ"һ,û"ҵּ־ڼڸ,ԸЧĹȽ豸ϸ֤ϵΪûṩƷIJƷͷҲɸûвƷ²Ʒûڷչĺϵ
ҳƷ㷺ӦʯơơʳƷҽҩ̲ݡߵµҵκʱǶϺͬδΪйҵķչṩķ
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