研究了非正弦振动发生装置。
钻柱振动失效控制装置通过曲率段时会发生较大的弯曲变形、承受较大的弯曲应力。
Drillstring vibration control device will occur bending deformation and bear greater bending stress through the curvature.
如果心跳过快，包括电震发生器在内的一些装置会发出振动。
Some devices include a defibrillator, which gives a shock if the heart beats too fast.
设置过振动报警装置，如果设备发生不良运转，可发出警告，使设备停止工作，达到保护机器的目的。
Setting over vibration alarm device, if the equipment running an adverse, warned that make equipment to stop working, the purpose of protecting the machine.
当发生电器材故障时可以通过应急手动装置直接推动振动架达到破拱目的。
The vibrating grid can be directly pushed by the emergency hand-drive, when the failure of electric equipment occurs, and the purpose of the arch breaking is realized.
当发生电器材故障时可以通过应急手动装置直接推动振动架达到破拱目的。
The vibrating grid can be directly pushed by the emergency hand-drive, when the failure of electric equipment occurs, and the purpose of the arch breaking is realized.
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