他说：“我从未故意将任何病人置于不必要的风险境地。”"I have never knowingly exposed any patient to needless risks," he said.为什么我们要为酒吧和宾馆不必要的暖气开支买单呢？Why do we pay to overheat pubs and hotels?对鲸的野蛮屠杀既不必要也不人道。The barbaric slaughter of whales is unne...
主要包括信号交叉口放行方法设计 、 渠化设计和信号优化设计.The primary step includes discharging mode design , signal design and channelization design of signalized intersection.水运建设迈出新步伐, 正式启动嘉陵江全江渠化项目.Waterborne construction strides new step, star...