swivelling undercarriage【航】
【运输】旋转滑道，单位材料的进给
swivelling chute, feeding of unit materials
暂无补充释义。
相关词条
steering castor, swivelling castor
swivelling cover
swivelling castor
swivelling chute
swivelling lever (turning lever, pivoted lever)
swivelling range of pick-up arm
slewing gear【机】;swivelling mechanism【机】