assembly-to-assembly failure propagation
general assembly trolley used for general assembly line of high-power diesel
selective compliance assembly robot arm(SCARA) assembly robot
harp
圆柱耗电体
[反音响鱼雷]噪音器
高空研究计画
竖琴
弹竖琴
口琴
表示
喋喋不休
harp on the same string