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[机]行星齿轮
1、planetary health───行星健康
2、planetary gearbox───行星齿轮箱
3、planetary nebula───[天]行星状星云
4、planetary model───行星模型
5、planetary raid───行星突袭
6、planetary───adj.行星的
7、gear───vt.开动；搭上齿轮；使……适合；使……准备好；n.齿轮；装置，工具；传动装置；排挡；adj.好极了；vi.适合；搭上齿轮；开始工作；n. (Gear)（英）吉尔（人名）
8、planetary nebulae───[天]行星状星云
9、planetary system───[天]行星系
1、The stub gear tooth is often adopted in the involute planetary gear transmission with a few tooth number difference.───在渐开线少齿差行星传动中通常使用短齿，其齿根高与正常齿相同，而齿顶高小于正常齿。
2、Planetary gear systems are also used in many automatic transmissions.───行星齿轮组也同样用于许多汽车变速器中。
3、The basic planetary gear set consists of a sun gear, a ring gear and two or more planet gears, all remaining in constant mesh.───通常，行星齿轮XiTong包含太阳轮，齿圈和两个或两个以上行星轮，所有齿轮都始终处于啮合状态。
4、The simplest form of planetary gear (the planetary-gear train) consists of sun gear, ring gear and arm with planet gears.───该行星齿轮（行星齿轮火车）最简单的形式由太阳轮，齿圈和行星齿轮机构。
5、The first part of this paper is the finite element analysis of planetary gear differential in horizontal screw decanter centrifuge.───本文第一部分对卧螺沉降式离心机1200的差速器中行星齿轮进行了有限元分析计算。
6、Fan gear mainly by the box, planetary gear speed change mechanism, and so on.───风机的变速箱主要由箱体、行星轮系和变速机构等构成。
7、High torque, low noise, planetary gear motor.───大力矩，低噪音，行星齿轮减速电机。
8、Planetary gear differential which can be used for the synthesis of movement can be synthesized as a power plant.───差速行星齿轮机构用于合成运动，可以作为动力合成装置。
9、The feasible projects have been given utilizing the freedom transmission between the differential gear and the planetary gear.───利用齿轮传动中的差动轮系和行星轮系的自由度转化，给出了可行的方案。