他的嗅觉告诉他,他正走近牛棚.His nose told him that he was getting near the cow shed.他去钓了鱼，并把钓来的鱼钉在牛棚的墙上晒干。He fished and nailed up his catch to dry on the wall of the byre.他们为公社建造了几个牛棚.They have put up several cattle - sheds for the c...
高山滑雪由滑降 、 小回转和大回转(障碍滑雪)组成.Alpine skiing consists of downhill , slalom and giant slalom.滑降滑雪可不是每个人都能玩的.Downhill skiing is not for everyone.滑雪名手高山滑雪、高山滑降和高山回转 、 自由式滑雪 、 越野 滑雪和现代冬季两项比赛.Skiing includes of the alpine events, ...
The devulcanization process and mechanism of microwave devulcanized rubber were investigated.考察了微波脱硫橡胶的再硫化历程,并分析了其硫化机理.The devulcanization mechanism of natural rubber sulfur - vulcanizate by collecting and analyzing some...