国际钨市场面面观

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1990年,西方工业国家中的美国,英国、加拿大等国相继陷入经济危机,苏联、东欧国家经济严重滑坡,世界经济增长明显放慢。这一形势给钨市场的复苏带来了消极的影响,也使国际钨市场更趋复杂化。分析家们一致认为,1990年的钨市场继续呈现供
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