rubber draft gear

铁路机车常用英文词汇... ... 尾框 coupler yoke 橡胶缓冲器 rubber draft gear 橡胶摩擦式缓冲器 rubber friction draft gear ...

直角三角形... ... "橡皮圆垫"," rubber disc" "橡皮缓冲牵引机构"," rubber draft gear" "橡皮防尘板"," rubber dust shield" ...