单词:right-hand cutting tool
单词:right-hand cutting tool 相关文章
Earliest Known Human Hand-Ax Found in Kenya Archaeologists working in northwestern Kenya have found a skillfully hand-crafted stone ax which appears to have been made nearly 1.75 million years ago, making it the oldest such tool ever discovered. The
金属切削 metal cutting 机床 machine tool 金属工艺学 technology of metals 刀具 cutter 电路 circuit 半导体元件 semiconductor element 反馈 feedback 发生器 generator 直流电源
Texting Becomes a Health Tool in Kenya Mobile phone use in Africa has spread far, wide and fast. By the end of last year, it was estimated that 70 percent of the population would have a mobile phone. Now, the International Federation of the Red Cross
绝世之吻:While Your Lips Are Still Red Artist:Nightwish Song:While Your Lips Are Still Red Sweet little words made for silence Not talk Young heart for love Not heartache Dark hair for catching the wind Not to veil the sight of a cold world