道路或被淹没，或被山体滑坡阻塞。Roads were flooded or blocked by landslips.航空业目前的滑坡状况the current downswing in the airline industry建筑业正经历工程量的严重滑坡.The building industry is experiencing a severe downturn in its workload....
7岁的孩子中1/4以上都不会正确地做加法运算。More than a quarter of seven year-olds cannot add up properly.你谅必在商店里见过现金收入记录机,它基本上只能做加法运算.In shops you will have seen cash registers which basically can only add.这个小女孩不太善于做加法.The little girl is no...
要求上胶辊细腻 、 平滑, 最好是硅橡胶制成的胶辊.For cots, smoothing, preferably made of silicone rubber rollers.书芯用纸张不同, 热熔胶的上胶温度也应有所不同.Book block paper, hot melt Adhesive glue temperature should also be different.因此上胶前一定要将书芯夹实 、 夹紧.Therefore...