Taps, reamers, drills, saws, milling cutters, burnishing tools, and so on, have all been successfully plated.丝锥 、 铰刀 、 钻头 、 锯片 、 铣切刀具 、 磨光工具以及其它等等, 所有这些方面的片镀都是很成功的.Pure white was obtained by entirely effacing burnishing ...
They brought pineapples and huge bunches of bananas.他们带来了菠萝和大串大串的香蕉.Lichees and pineapples are close to unit price elasticities among summer fruits.夏季水果自身价格弹性中仅荔枝及凤梨接近单一价格弹性.tropical fruits, such as bananas and pineapple...