This method is a practical modeling method for gear, with many advantages such as saving time, operating easy and so on.

这种方法省时、省力、易掌握，是一种较实用的齿轮建模方法。

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I plant production line adopts PC centralized control, transmission machinery gear type and have the hydraulic, adopting the advanced inverter speed, stable operation and energy saving.

我厂生产的生产线采用PC集中控制，传动有机械齿轮式和液压式，调速采用世界先进的变频器，运行稳定可靠又节能省电。

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It's been an awfully long time now to be out there with no life-saving gear, in big seas and in such temperatures.

BBC: Two missing in storms