The laser has original import laser diode, small body and clear beam. The fan Angle and line degree is high.

本产品采用原装进口激光二极管，体积小，光线清晰，出光张角大，直线度高。

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The fan angle and line degree is high. We can offer red Line Laser Module with focus adjustable or fixed. Customer also can adjust the focus according various requirements.

我们可以制作固定焦点同时可以制作可调焦的红光线状激光器，请打零贰玖捌捌柒贰陆柒柒叁客户可以根据各种要求调整焦点。

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Based on the principle of flight of fan wing aircraft, realizing methods of VTOL are preposed by changing the Angle of attack and increasing chord length of the tail.

基于扇翼机的飞行原理，提出通过改变攻角以及增加尾部升力面弦长的方式提高气动效率，进而实现垂直升降的方法。

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