jackscrew
美 英 ['dʒækskruː]
英汉解释
例句
Analysis and Solving Method to Abnormal Driving Sound of Elevation Jackscrew on Limited Motion Antenna.
限动天线俯仰丝杠传动异常响声的分析和应对措施。
erector hoist lift lifter jackscrew booster
起重器,千斤顶