harrowing by heavy harrow 重耙耙地法

heavy disc harrow 重型圆盘耙

heavy duty harrow 重型耙

heavy tined harrow 重型钉齿耙

heavy duty disk harrow 重型圆盘耙

heavy duty disc harrow 大型圆盘耙

heavy 24-cutaway-disc harrow 重型二十四片缺口圆盘耙

heavy duty spike-tooth harrow 大型钉齿耙

heavy duty cutaway disc harrow 大型缺口圆盘耙