三分时时彩

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The so-called roof overhead helicopter is not on the roof to draw a H shaped, fitted with a number of aviation lighting and fence even a roof helicopter, which is wrong。

Only 1 level performance of the helicopter is allowed in the densely populated area of elevated Heliport landing. 3 the performance of the helicopter, is not allowed in the elevated heliport or helicopter landing deck

三分时时彩Shanghai straight to the ground, the roof type, top type, ship type and so on to provide professional one-stop service, and has many years of rich experience is the only one with intelligent helicopter navigation system in the country

A professional engaged in helipad and helicopter airport construction consulting, design, construction, equipment supply, project management as one integrated company

    


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