青铜铸器。可以盛水或盛酒。腹扁圆，圆口、方足，战国时两肩有兽头衔环，器物的正背面有方格纹；汉代多不镂花，铭文自称为“区”。这类器物俗名叫“扁壶”。
...y whilst money is in the bank many thanks » 你能告诉我一个要求请付款的我要支付虽然钱是在许多由于银行 COPPER AREA » 铜区 Scoring is permitted » 评分是允许 ..
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贫铜区受到腐蚀是晶间腐蚀的根源。
The corrosion of poor Cu area is the root of intergranular corrosion.
江西于都银坑地区是赣南东部的金银铜铅锌锰等矿集区。
Yinkeng area is an ore concentration area of gold, silver, copper, lead zinc, manganese in east Jiangxi.
结果表明：经电脉冲处理的纯铜再结晶过程向高温区推移，使纯铜的热稳定性、 耐热性能得到了改善。
The results show that the recrystallizing temperature of pure copper are raised to a higher temperature range, which improves the thermal stability and bearing resistance to high temperature.
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