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- threefold rotor 三次旋转轴
- Composed of three parts; threefold; triple. 三倍的，三重的，三部分的由三部分组成的，三重的
- A threefold cord is not quickly broken. 三股合成的绳子不易断。
- The purpose of this site is threefold. 我架设这个网站的目的有三个，
- "Reform is the meaning of 'threefold'. “改革意义可谓‘一举三得’。”
- It has locknut fasten rotor to a spindle. 配有防松螺母固定转子与中心轴。
- The result: wood theft went up threefold. 结果是：树木偷伐量增长了3倍。
- The rotor cataracts water over the top of the machines. 回转轴将水从机器顶上注入。
- Install the brake rotor shield to the knuckle. 向转向节上安装煞车分火头护罩。
- Wider nozzle at draw frame or rotor. 并条或转杯喇叭口宽。
- Numerical Simulation of Rotor Flow in Hover. 悬停下旋翼流的数值模拟。
- Fiber length to rotor diameter not near to unity. 纤维长度与纺杯直径不一致（协调）。
- Inspect distributor cap,rotor,and ignition wires. 用电脑翻译成：检查经销商盖帽、电动子,和燃烧导线。
- All rotor halves that we want on one drawing! 所有半转轴我们想在一个图纸上。
- The graphs show a threefold increase in the number of. 该图表表明数目增长了三倍。
- It is best to allow the rotor to rotate freely. 最好让转子自由旋转。
- And fivefold, threefold and twofold axes of rotational symmetry. 五重,三重和两重螺旋对称轴。
- Spark found between rotor and stator. 发现转子与定子之间有火花。
- Replace rotor; adjust the clearance. 更换转子，调整间隙。
- In just over a year's time, membership has increased threefold. 在短短一年间，成员人数已增加三倍。
