压差水听器是水声矢量水听器的一种实现形式，同振球则是另一种实现形式。
Pressure gradient hydrophone is one of the implementation forms of acoustic vector sensors while another form is the vibrating sphere.
为此，本文研制开发了新一代基于振弦式传感器的大坝渗压自动化监测系统。
Therefore, a new dam osmotic pressure automatic monitoring system based on vibrating string sensor is developed.
改进的穿孔机转鼓器结构，采用整体压鼓块和浮动丝杆，消除了螺纹间隙，提高了抗振性能。
The upgraded drum locking device has integral drum locking blocks and a float screw rod, with the antivibration performance improved and the thread clearance eliminated.
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