rigid tow bar

例句：

1. 1. The boat was pulled by a rigid tow bar.
   这艘船被一根刚性拖绳拉起来。
2. 2. The engineer used a rigid tow bar to pull the car out of the water.
   工程师用一根刚性拖绳把汽车从水中拉出来。
3. 3.The tow bar was made of stainless steel and had a diameter of 60 cm.
   拖绳由不锈钢制成，直径为60厘米。