短語(yǔ)詞組短語(yǔ)caterpillar tread caterpilar belt 履帶式車(chē)輛在其上行進(jìn)的環(huán)形鏈帶YanTai Guangxing Caterpillar tread Plant 公司全稱tread caterpillar 覆帶;履帶 返回 caterpillar tread