Heavy duty measuring unit, twinwheel, stay rod mounted.
重型计量单位，双方向盘，住宿杆安装。
2
The MLG legs, each with a twin-wheel assembly, are installed in the wings.
每个主起落架支柱具有一部双机轮组件，主起落架支柱安装在机翼结构中。
3
The twin tandem, a four-row angular contact ball bearing, replaces conventional tapered roller bearings in wheel bearings and contributes significantly to saving fuel.