Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.达比一直在寻找改善铁质的方法，他猛然想到可以不用木炭熔炼，而改用焦炭。That morning we fired our first kiln of charcoal.那天上午，我们烧了我们的第一窑木炭。Chu...
The unit of kinematic viscosity is the stoke.运动粘度单位是沲.The equations of equilibrium and kinematic relations are independent of the type of material.平衡方程和运动学关系式是与材料类无关的.In parallel kinematic robot, besides active joints - ...
我将意大利面滤干，然后平分到两个盘子里。I drain the pasta, then I share it out between two plates.在意大利，每年大量捕杀野生动物的现象令人震惊。The annual slaughter of wildlife in Italy is horrific.他开始放入意大利面，小心翼翼地将面一缕缕分开。He began to feed in the spaghetti, careful...