streamlined gating

例句：

1. 1. The new streamlined gate has greatly improved the efficiency of the traffic flow.
   新的流线型门闸大大提高了交通流量的效率。
2. 2. The engineer designed a streamlined gate to reduce the noise pollution in the area.
   工程师设计了一个流线型门以减少该地区的噪音污染。
3. 3. The streamlined gate is made from high-quality steel and can withstand heavy loads.
   流线型门是由高质量的钢材制成的，能够承受重载。