The provided gear and gear rack mechanism have been used to designing and manufacturing ship model pushed with imitating fish-tail, and has been tested reliable and useful by moving on water.
这种齿轮齿条机构已被具体应用于仿生鱼尾推进船模的设计与制造，通过船模试水验证其功能是有效可靠的。
The shift device is arranged on an assembly fixed plate. The shift device is composed of a front baffle plate, a push rod, a rack, and a tail seat.
前挡板与推杆形成一体，而齿条则侧设于推杆边，且前挡板与齿条相接位置设有一缓冲槽，使前挡板受推挤时可呈定距之缓冲位移；
The shift device is arranged on an assembly fixed plate. The shift device is composed of a front baffle plate, a push rod, a rack, and a tail seat.
前挡板与推杆形成一体，而齿条则侧设于推杆边，且前挡板与齿条相接位置设有一缓冲槽，使前挡板受推挤时可呈定距之缓冲位移；
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