Brushless Motor, imported bearing from Europe, smooth running and maintenance free.

无刷电机驱动，欧洲进口轴承，运行平稳，免维护。

youdao

It's durable and maintenance free with a coat of crisp, white powder coating over steel.

它的耐用和维修免费的和清晰的，对钢材的白色粉末涂料大衣。

youdao

HYDAC back-flush filters are designed for continuous and maintenance free filtration in all sectors of industry for water filtration.

HYDAC后台刷新过滤器是设计用于连续和维护水过滤所有的行业免费过滤。

youdao

With a top speed of 14 mph it was anything but fast, but it was virtually maintenance free.

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Highly effective, and completely maintenance free, it kept their pueblos warm in winter, and cool in the summer using only stone age technology.

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His maintenance-free bike uses a "secret" mix of organic materials to make it waterproof and fireproof, and is then lacquered to give it a friendlier appearance.

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