无尾钢丝螺套 threaded inserts 图片

p1Src=//y2.yzimgs.com/uploads_old/396084/2013121314362925_old.jpg&p2Src=//y2.yzimgs.com/uploads_old/396084/2013121314362925_old_1.jpg&p3Src=//y2.yzimgs.com/uploads_old/396084/2013121314362925_old_2.jpg"