单词	pneumatic picker
释义	pneumatic picker 气吸式收摘机
随便看	excavation subsidence excavation support excavation supported by permanent structure excavation supported with permanent structure excavation supporting excavation supporting structure excavation-support order excavation support structure excavation technique excavation technology excavation technology in large-span excavation under shallow cover excavation unit excavation units excavation unloading excavation unloading effect excavation velocity excavation volume excavation width excavation with blasting excavation without timbering excavation with timbering excavation work excavation working face excavation works