普通锄刀 common tine
刀锄
Knife and hoe
以上为机器翻译结果，长、整句建议使用 人工翻译 。
通过考察这个时期坟墓中发现的刀、钻、斧、锄等工具，可以发现冶炼技术已相当发达。
According to the researches on the tools including knives, driller, axes, hoes, etc. where were unearthed in the tombs of that age, it can be found that the smelting technology was very advanced then.
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