词汇	重力填料
释义	重力填料医gravity filling
随便看	Tri-angles triangle scale triangle scarf triangle section pile triangle set screw paw triangle setup triangles for chart work triangle-shaped triangle shaped loop electrode triangle shape rigid frame triangle shooting triangle shovel triangle sign triangle sine wave generator triangle skylight triangle slot triangles of neck,anterior triangles of neck,posterior triangles packing problem triangle spider triangle square wave generator triangle standard pattern triangle-star-off controller triangle steel truss Triangle step state