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相传,江湖中流行七种武器,谁掌握了这七种武器,谁就能驰骋江湖、无敌于天下。这七种武器分别是长生剑、孔雀翎、碧玉刀、多情环、离别钩、霸王枪和拳头。公元前3000年以前,人类已广泛使用石制和骨制的工具。现代各种复杂精密的机械,都是从古代简单的工具逐步发展而来的。“工欲善其事,必先利其器。”现在让我们细数下被称为机械专业的“七种武器”吧。拳头——机械工程拳头也许是最不引人注意的武器,却是最基础、最有效、最直接,也是最可靠的武器。机械工程
According to legend, rivers and lakes in the popular seven kinds of weapons, who mastered these seven kinds of weapons, who will be able to ride arena, invincible in the world. These seven kinds of weapons are longevity sword, peacock feather, jasper knife, passionate ring, parting hook, overlord gun and fist. Before 3000 BC, humans made extensive use of stone and bone tools. All kinds of complex and sophisticated machines in modern times have evolved from simple tools in ancient times. “Workers want to do their best, we must first sharpen his machine.” “Let us now under the breakdown of mechanical professional ” seven kinds of weapons ". Fist - mechanical engineering fist may be the most unattractive weapon, but it is the most basic, most effective, the most direct and the most reliable weapon. Mechanical Engineering