swivelling undercarriage【航】
回转螺旋桨
swivelling airscrew【航】;swivelling propeller【航】
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】