纵向基频振动
Longitudinal fundamental frequency vibration
IR基团振动频率
IR group vibrational frequency
1倍频振动
single-frequency vibration
TGSD-50型声频振动取样钻机
TGSD-50 sonic drilling coring rig
半主动振动控制
semi - active control
Semi-active vibration control
倍频、分频振动
superharmonic and subharmonic vibration
被动振动控制
passive vibration control
变频振动
Variant-frequency vibration
变频振动器
variable frequency vibrator
变频振动下料
variant frequency vibration cropping
超低频振动
vibrating with super-low frequency
超低频振动测量
super low-frequency vibration measurement
低频振动
low frequency vibration
low-frequency vibration
Vibration in Low-frequency
lowfrequency vibration
seismic noise
low-frequency oscillation
low frequency vibrated
low fraguency vibration
低频振动传感器
low-frequency shock transducer