大家都搜：
单断阶船身式水上飞机
1、single step───n.单步执行
2、step step───步进
3、single───adj.单一的；单身的；单程的；n.一个；单打；单程票；vi.击出一垒安打；vt.选出
4、step by step───adv.逐步地；一步步地，逐步地，逐渐地; 缓缓; 浸
5、craniotomy step by step───分步开颅术
6、step───vt.走，迈步；竖立（桅杆）于桅座上；n.步，脚步；步骤；步伐；梯级；vi.踏，踩；走
7、single father───单身父亲
8、boat───vi.划船；n.小船；轮船
9、step by step drawing───逐步绘制
1、chose a scheme of the single-cantilever monoplane with two-step boat, which had a large cross-deadrise.───选择了悬臂式上单翼和双阶船身的结构，后者具有较大的横截面。
2、For its first aircraft Beriev chose a scheme of the single-cantilever monoplane with two-step boat, which had a large cross-deadrise.───为它的这个首个作品选择了悬臂式上单翼和双阶船身的结构，后者具有较大的横截面。