Baby cuckoos oust other baby birds from their nests.布谷鸟的雏鸟把其他鸟的雏鸟逐出巢外.Four cuckoos inside the zoo.动物园里四只杜鹃.Let there be cuckoos, a lark and a dove.让这里有布谷鸟, 云雀,和鸽子....
当汽车倾倒时, 滚珠迫使柱塞落在支承板上.With the car upside - down, the ball forces the plunger to seat against the guide plate.前面与后面支承板表面粗糙.Rough surface in front and back plate.楼层结构由框架柱 、 楼层梁 、 钢楼承板以及边模板等组成.Mezzanine structure is make up...