与水平安定面相连的是两个称为 “ 升降舵 ” 的可动操纵面.Attached to the stabilizers are two movable surface called " elevator ".俯仰力矩的变化由升降舵的偏转来提供.A variable pitching moment is provided by moving the elevator.飞机的升降舵可以使它升降自如.The elevator of an airc...
他必须对这些可恶的罪行负责。He must be made answerable for these terrible crimes.可恶,那完全是不讲道义,是不是?Dash it all. It's just not playing the game, is it?我昨天甚至把那些可恶的床单给洗了。I even washed the flipping bed sheets yesterday....
We swam upstream against the current.我们逆流向上游游去。A water vole swam vigorously upstream.一只水鼠奋力向上游游去.Alexis suddenly could take no more: he felt too hot, he couldn't breathe, the room swam.亚历克西斯突然觉得受不了了,他感到闷热,喘不上气,仿佛整间屋...
Seamless pipe production process, there are two: Cross - rolling method ( Meng Mannesmann France ) and the extrusion method.无缝管的生产工艺有两种: 斜轧法 ( 孟内斯曼法 ) 和挤压法....