leaf ring center bolt 钢板弹簧中心螺栓

loose leaf ring 书圈

elliptic leaf ring 半椭圆形弹簧

taper leaf ring for vehicle 车辆锥形钢板弹簧

leaf ring shot blasting machine 片簧喷丸机

pear ring leaf spot 梨轮纹病

soybean ring leaf spot 大豆轮纹病

ring leaf spot of soybean 大豆轮纹病

Six-leaf Dislocated Floating-ring Bearing 六叶错位浮环轴承

Four-leaf Dislocated Floating-ring Bearing 四叶错位浮环轴承