The control system is the key element of the magnetic suspending system.磁力轴承的控制系统是磁悬浮硬盘的关键.CG - D central driving suspending frame sludge radial flow sedimentation.CG-D 型中心传动悬挂式刮泥机无中心支墩,桥架静止不动,土建结构简单.Suspending bracket d...
But the general commercial satellite has the mature astronautics insurance.而一般的商业卫星则有成熟的航天保险.Beijing astronautics flight control center erupts a warm applause at once.北京航天飞行控制中心旋即爆发出一阵热烈的掌声.Should NASA be split into sepa...
I refused to wear headphones because they can perforate your eardrums.我不愿戴耳机，因为它可能会使鼓膜穿孔。to perforate something with a pin用针在某物上穿孔In advanced stages the opaque corneas may ulcerate and even perforate.在疾病后期,不透明的角膜可能产生溃疡,甚...
That my income suffices is met the actual necessaries.我的收入足以应付实际的需要.Reserve necessaries of life and aseismatic goods and materials providing disaster relief.储备生活必需品和抗震救灾物资.They were destitute of necessaries of life.他们缺少生...