This is nothing but the binomial expansion.这不过是二项展开式.The memory expansion cards are useful adjuncts to the computer.内存扩充卡是计算机很有用的附件。The vast expansion in secondary education is putting an enormous strain on the system.中等...
提出胶管组合件的设计参数和要点.The designing parameters and the main points are offered.NBR胶板, 胶条,胶管, 胶棒. 硅胶板,条, 管.NBR sheet Plastic strips, hoses, Jiaobang . Silica gel plates, of the tube.将放喷和压井胶管与伸缩节连通.Connect the choke and kill lin...
头顶上，直升机在呼啸，巨大的螺旋桨叶片搅动着空气。Overhead, the chopper roared and the big blades churned the air.直升机的旋翼叶片rotor blades on a helicopter推进器的叶片已经安装好了.The propeller blade has been mounted....
The Puritans became fugitives in quest of liberty.清教徒变成了追求自由的逃亡者。Three fugitives from the prison are still at large.三名逃犯仍然未被抓获.The fugitives travelled by night andrested by day.逃亡者夜行而昼伏....
The wires must be insulated from touching each other,with a rubber covering.这些金属线一定要用橡胶皮包起来,以免相互接触。Wires criss-cross between the tops of the poles, forming a grid.电线杆顶端的电线相互交错，形成电线网。He soldered the broken wires together....