与(Yu)转(Zhuan)向(Xiang)器(Qi)内(Nei)拉(La)杆(Gan)球(Qiu)头(Tou)共(Gong)同(Tong)连(Lian)接(Jie)转(Zhuan)向(Xiang)节(Jie)与(Yu)转(Zhuan)向(Xiang)器(Qi)并(Bing)传(Chuan)递(Di)载(Zai)荷(He)。(?)
与(Yu)转(Zhuan)向(Xiang)器(Qi)内(Nei)拉(La)杆(Gan)球(Qiu)头(Tou)共(Gong)同(Tong)连(Lian)接(Jie)转(Zhuan)向(Xiang)节(Jie)与(Yu)转(Zhuan)向(Xiang)器(Qi)并(Bing)传(Chuan)递(Di)载(Zai)荷(He)。(?)