Incline the wind meter to find the maximum wind speed direction.
运用风速计去发现最大风速及风向。
This several thousand meter long ground net can not only resist the sand in the primary-harm wind direction but also guide the sand in the secondary-harm wind direction.
这道延伸数千米的地网既能在主害风向上阻沙，又能在次害风向上导沙。
Incline the wind meter to find the maximum wind speed direction.
运用风速计去发现最大风速及頛向。
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