用于电梯位置、速度的检测。

Use for detecting elevator position and speed.

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用于电梯位置、速度的检测。

Used for detecting elevator position and speed.

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另外，电梯的质量与运行速度也很重要。

Furthermore, the quality and operating speed lifts are also very important.

youdao

另外，电梯的质量与运行速度也很重要。

Furthermore, the quality and operating speed lifts are also very important.

youdao